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Frasi di Charles Lyell
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Charles Lyell è stato un geologo scozzese.

Nel suo capolavoro Principi di geologia , sviluppò nella sua versione definitiva la teoria dell'uniformitarismo, concepita inizialmente da James Hutton, ponendo le basi della moderna geologia. Wikipedia  

✵ 14. Novembre 1797 – 22. Febbraio 1875
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Charles Lyell: 103   frasi 0   Mi piace

Charles Lyell: Frasi in inglese

“The system of scholastic disputations encouraged in the Universities of the middle ages had unfortunately trained men to habits of indefinite argumentation, and they often preferred absurd and extravagant propositions, because greater skill was required to maintain them; the end and object of such intellectual combats being victory and not truth.”

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Charles Lyell libro Principles of Geology

Chpt.3, p. 28
Principles of Geology (1832), Vol. 1

“Barriers of sea, or desert, or mountain, could never have been of the least avail, had the creative force acted independently of material laws, or had it not pleased the Author of Nature that the origin of new species should be governed by some secondary causes analogous to those which we see preside over the appearance of new varieties, which never appear except as the offspring of a parent stock very closely resembling them.”

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Charles Lyell

Origine: The Geological Evidences of the Antiquity of Man (1863), Ch.21, p. 423

“Opponents of Fracastoro met his arguments by feigning imaginary causes, which differed from each other rather in name than in substance. Andrea Mattioli, for instance, an eminent botanist, the illustrator of Dioscorides, embraced the notion of Agricola, a German miner, that a certain 'materia pinguis' or 'fatty matter,' set into fermentation by heat, gave birth to fossil organic shapes. Yet Mattioli had come to the conclusion, from his own observations, that porous bodies, such as bones and shells, might be converted into stone, as being permeable to what he termed the 'lapidifying juice.”

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Charles Lyell libro Principles of Geology

Chpt.3, p. 29
Principles of Geology (1832), Vol. 1

“Many distinguishing features of the surface may often be ascribed to the operation at a remote era of slow and tranquil causes-to the gradual deposition of sediment in a lake or in the ocean, or to the prolific increase of testacea and corals therein.”

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Charles Lyell libro Principles of Geology

Chpt.1, p. 2
Principles of Geology (1832), Vol. 1

“It seems, then, that the Greeks had not only derived from preceding nations, but had also, in some slight degree, deduced from their own observations, the theory of great periodical revolutions in the inorganic world.”

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Charles Lyell libro Principles of Geology

Chpt.2, p. 18
Principles of Geology (1832), Vol. 1

“We know that the Egyptian priests were aware, not only that the soil beneath the plains of the Nile, but that also the hills bounding the great valley, contained marine shells; and it could hardly have escaped the observation of Eastern philosophers, that some soils were filled with fossil remains, since so many national works were executed on a magnificent scale by oriental monarchs in very remote eras.”

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Charles Lyell libro Principles of Geology

Chpt.2, p. 8
Principles of Geology (1832), Vol. 1

“Pliny had no theoretical opinions of his own concerning changes of the earth's surface… But his enumeration of the new islands which had been formed in the Mediterranean, and of other convulsions, shows that the ancients had not been inattentive observers of the changes which had taken place on the earth within the memory of man.”

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Charles Lyell libro Principles of Geology

Chpt.2, p. 22
Principles of Geology (1832), Vol. 1

“Scarcely any step had been made in approximating to sound theories since the time of Fracastoro, more than a hundred years having been lost, in writing down the dogma that organized fossils were mere sports of nature. An additional period of a century and a half was now destined to be consumed in exploding the hypothesis, that organized fossils had all been buried in the solid strata by the Noachian flood. Never did a theoretical fallacy, in any branch of scienc, interfere more seriously with accurate observation and the systematic classification of facts.”

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Charles Lyell libro Principles of Geology

Chpt.3, p. 33
Principles of Geology (1832), Vol. 1

“We learn from Plutarch, that this was the theme of one of the hymns of Orpheus, so celebrated in the fabulous ages of Greece. It was brought by him from the banks of the Nile; and we even find in his verses, as in the Indian systems, a definite period assigned for the duration of each successive world. The returns of great catastrophes were determined by the period of the Annus Magnus, or great year, a cycle composed of the revolutions of the sun, moon, and planets, and terminating when these return together to the same sign whence they were supposed at some remote epoch to have set out. The duration of this great cycle was variously estimated. According to Orpheus, it was 120,000 years; according to others, 300,000 and by Cassander it was taken to be 300,000 years.”

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Charles Lyell libro Principles of Geology

Chpt.2, p. 10
Principles of Geology (1832), Vol. 1

“Falloppio of Padua conceived that petrified shells had been generated by fermentation in the spots where they were found, or that they had in some cases acquired their form from 'the tumultuous movements of terrestrial exhalations.' Although a celebrated professor of anatomy, he taught that certain tusks of elephants dug up in his time at Puglia were mere earthy concretions, and, consistently with these principles, he even went so far as to consider it not improbable, that the vases of Monte Testaceo at Rome were natural impressions stamped in the soil.”

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Charles Lyell libro Principles of Geology

Chpt.3, p. 29
Principles of Geology (1832), Vol. 1

“A sketch of the progress of Geology is the history of a constant and violent struggle between new opinions and ancient doctrines sanctioned by the implicit faith of many generations and supposed to rest on scriptural authority. The inquiry, therefore, although highly interesting to one who studies the philosophy of the human mind, is singularly barren of instruction to him who searches for truths in physical science.”

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Charles Lyell libro Principles of Geology

Chpt.3, p. 34
Principles of Geology (1832), Vol. 1

“The sect of Stoics adopted most fully the system of catastrophes destined at certain intervals to destroy the world. These they taught were of two kinds-the Cataclysm, or destruction by deluge, which sweeps away the whole human race, and annihilates all the animal and vegetable productions of nature; and the Ekpyrosis, or conflagration, which dissolves the globe itself. From the Egyptians also they derived the doctrine of the gradual debasement of man from a state of innocence. Towards the termination of each era the gods could no longer bear with the wickedness of men, and a shock of the elements or a deluge overwhelmed them; after which calamity, Astrea again descended on the earth, to renew the golden age.”

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Charles Lyell libro Principles of Geology

Chpt.2, p. 11
Principles of Geology (1832), Vol. 1

“It had been the consistent belief of the Christian world, down to the period now under consideration, that the origin of this planet was not more remote than a few thousand years; and that since the creation the deluge was the only great catastrophe by which considerable change had been wrought on the earth's surface. On the other hand, the opinion was scarcely less general, that the final dissolution of our system was an event to be looked for at no distant period.”

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Charles Lyell libro Principles of Geology

Chpt.3, p. 27
Principles of Geology (1832), Vol. 1

“It is not unreasonable nor derogatory to the attributes of Omnipotence, to imagine that some general laws may be observed in the creation of new worlds; and if man could witness the birth of such worlds, he might reason by induction upon the origin of his own. But in the absence of such data, an attempt has been made to fancy some analogy between the agents now employed to destroy, renovate, and perpetually vary the earth's surface, and those whereby the first chaotic mass was formed, and brought by supposed nascent energy from the embryo to the habitable state.”

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Charles Lyell libro Principles of Geology

Chpt.2, p. 13
Principles of Geology (1832), Vol. 1

“When we study history we obtain a more profound insight into human nature by instituting a comparison between the present and former states of society.”

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Charles Lyell libro Principles of Geology

Chpt.1, p. 1
Principles of Geology (1832), Vol. 1

“It was objected to Hooke, that his doctrine of the extinction of species derogated from the wisdom and power of the Omnipotent Creator; but he answered, that as individuals die, there may be some termination to the duration of a species; and his opinions, he declared, were not repugnant to Holy Writ: for the Scriptures taught that our system was degenerating, and tending to its final dissolution; 'and as, when that shall happen, all the species will be lost, why not some at one time and some at another?”

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Charles Lyell libro Principles of Geology

Chpt.3, p. 38
Principles of Geology (1832), Vol. 1

“Cesalpino, a celebrated botanist, conceived that fossil shells had been left on the land by the sea, and had concreted into stone during the consolidation the soil; and in the following year (1597), Simeone Majoli went still farther, and coinciding for the most part with views of Cesalpino, suggested that the shells and matter of the Veronese, and other districts, might have cast up, upon the land, by volcanic explosions, like those gave rise, in 1538, to Monte Nuovo, near Puzzuoli.- This hint was the first imperfect attempt to connect the position fossil shells with the agency of volcanoes, a system more fully developed by Hooke, [Antonio] Lazzaro Moro, Hutton, and other writers. Two years afterwards, Imperati advocated the animal origin of fossilized shells, yet admitted that stones could vegetate by force of 'an internal principle,' and, as evidence of this, he referred to the teeth of fish, and spines of echini found petrified.”

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Charles Lyell libro Principles of Geology

Ref. Ferrante Imperato, Dell'Historia Naturale http://books.google.com/books?id=heGCGe1Rn3YC& (1599)
Chpt.3, p. 30
Principles of Geology (1832), Vol. 1

“In the Egyptian and Eastern cosmogonies, and in the Greek version of them, no very definite meaning can, in general, be attached to the term 'destruction of the world,' for sometimes it would seem almost to imply the annihilation of our planetary system, and at others a mere revolution of the surface of the earth.”

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Charles Lyell libro Principles of Geology

Chpt.2, p. 16
Principles of Geology (1832), Vol. 1

“But there was sufficient spirit of toleration and candor amongst the Italian ecclesiastics to allow the subject to be canvassed with much freedom They entered warmly themselves into the controversy often favoring different sides of the question and however much we may deplore the loss of time and labor devoted to the defense of untenable positions it must be conceded that they displayed far less polemic bitterness than certain writers who followed them beyond the Alps two centuries and a half later”

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Charles Lyell libro Principles of Geology

Chpt.3, p. 28
Principles of Geology (1832), Vol. 1

“Palissy, a French writer on 'the Origin of Springs from Rain-water' and of other scientific works, undertook, in 1580, to combat the notions of many of his contemporaries in Italy, that petrified shells had all been deposited by the universal deluge. 'He was the first,' said Fontenelle, when, in the French Academy, he pronounced his eulogy nearly a century and a half later, 'who dared assert' in Paris, that fossil remains of testacea and fish had once belonged to marine animals.”

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Charles Lyell libro Principles of Geology

Chpt.3, p. 31
Principles of Geology (1832), Vol. 1

“Mr. Darwin labours to show, and with no small success, that all true classification in zoology and botany is, in fact, genealogical, and that community of descent is the hidden bond which naturalists have been unconsciously seeking, while they often imagined that they were looking for some unknown plan of creation.”

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Charles Lyell

Origine: The Geological Evidences of the Antiquity of Man (1863), Ch.21, p. 412

“Lamarck, when speculating on the origin of the long neck of the giraffe, imagined that quadruped to have stretched himself up in order to reach the boughs of lofty trees, until by continued efforts, and longing to reach higher, he obtained an elongated neck. Mr. Darwin and Mr. Wallace simply suppose that, in a season of scarcity, a longer-necked variety, having the advantage in this respect over most of the herd, as being able to browse on foliage out of their reach, survived them, and transmitted its peculiarity of cervical conformation to its successors.”

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Charles Lyell

Origine: The Geological Evidences of the Antiquity of Man (1863), Ch.21, p. 410-411

“In the account given to Solon by the Egyptian priests, of the submersion of the island of Atlantis under the waters of the ocean, after repeated shocks of an earthquake, we find that the event happened when Jupiter had seen the moral depravity of the inhabitants.”

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Charles Lyell libro Principles of Geology

Chpt.2, p. 11
Principles of Geology (1832), Vol. 1

“The theory of the origin of new species by variation will also explain why a species which has once died out never reappears, and why the fossil fauna and flora recede farther and farther from the living type in proportion as we trace it back to remoter ages. It would also account for the fact, that when we have to intercalate a new set of fossiliferous strata between two groups previously known, the newly discovered fossils serve to fill up gaps between specific or generic types previously familiar to us, supplying often the missing links of the chain, which, if transmutation is accepted, must once have been continuous.”

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Charles Lyell

Origine: The Geological Evidences of the Antiquity of Man (1863), Ch.21, p. 414-415

“What Lamarck then foretold has come to pass; the more new forms have been multiplied, the less are we able to decide what we mean by a variety, and what by a species. In fact, zoologists and botanists are not only more at a loss than ever how to define a species, but even to determine whether it has any real existence in nature, or is a mere abstraction of the human intellect, some contending that it is constant within certain narrow and impassable limits of variability, others that it is capable of indefinite and endless modification.”

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Charles Lyell

Origine: The Geological Evidences of the Antiquity of Man (1863), Ch.20, p. 389

“Respecting the cosmogony of the Egyptian priests, we gather much information from writers of the Grecian sects, who borrowed almost all their tenets from Egypt, and amongst others that of the former successive destruction and renovation of the world.”

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Charles Lyell libro Principles of Geology

Chpt.2, p. 10
Principles of Geology (1832), Vol. 1

“It [variation and natural selection] would explain, says Mr. Darwin, the unity of type which runs through the whole organic world, and why there is sometimes a fundamental agreement in structure in the same class of beings which is quite independent of their habits of life, for such structure, derived by inheritance from a remote progenitor, has been modified, in the course of ages, in different ways, according to the conditions of existence. It would also explain why all living and extinct beings are united, by complex radiating and circuitous lines of affinity with one another, into one grand system; also, there having been a continued extinction of old races and species in progress, and a formation of new ones by variation, why in some genera which are largely represented, or to which a great many species belong, many of these are closely but unequally related; also, why there are distinct geographical provinces of species of animals and plants, for, after long isolation by physical barriers, each fauna and flora, by varying continually, must become distinct from its ancestral type, and from the new forms assumed by other descendants which have diverged from the same stock.”

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Charles Lyell

Origine: The Geological Evidences of the Antiquity of Man (1863), Ch.21, p. 413

“The form of a coast, the configuration of the interior of a country, the existence and extent of lakes, valleys, and mountains, can often be traced to the former prevalence of earthquakes and volcanoes in regions which have long been undisturbed. To these remote convulsions the present fertility of some districts the sterile character of others, the elevation of land above the sea, the climate, and various peculiarities, may be distinctly referred.”

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Charles Lyell libro Principles of Geology

Chpt.1, p. 2
Principles of Geology (1832), Vol. 1

“Steno conceded, as Fabio Colonna had done before him, that all marine fossils might have been transported into their present situation at the time of the Noachian deluge. He maintained that fossil vegetables had been once living plants, and he hinted that they might, in some instances, indicate the distinction between fluvial and marine deposits. He also inferred that the present mountains had not existed ever since the origin of things, suggesting that many strata of submarine origin had been accumulated in the interval between the creation and deluge. Here he displayed his great anxiety to reconcile his theory with the Scriptures; for he at the same time advanced an opinion, which does not seem very consistent with such a doctrine, viz., that there was a wide distinction between the shelly, and nearly horizontal beds at the foot of the Apennines, and the older mountains of highly inclined stratification. Both, he observed, were of sedimentary origin; and a considerable interval of time must have separated their formation. Tuscany, according to him, had successively passed through six different states; and to explain these mighty changes, he called in the agency of inundations, earthquakes, and subterranean fires.”

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Charles Lyell libro Principles of Geology

Chpt.3, p. 32
Principles of Geology (1832), Vol. 1

“Scilla, a Sicilian painter, published in l670, a work on the fossils of Calabria, illustrated by good engravings. This was written in Latin, with great spirit and elegance, and it proves the continued ascendency of dogmas often refuted; for we find the wit and eloquence of the author chiefly directed against the obstinate incredulity of naturalists, as to the organic nature of fossil shells.”

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Charles Lyell libro Principles of Geology

Chpt.3, p. 32
Principles of Geology (1832), Vol. 1

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