volume I, chapter II: "Comparison of the Mental Powers of Man and the Lower Animals", pages 41-42 http://darwin-online.org.uk/content/frameset?pageseq=54&itemID=F937.1&viewtype=image
The Descent of Man (1871)
Charles Darwin: Frasi in inglese (pagina 4)
Charles Darwin era naturalista britannico che formulò la teoria dell'evoluzione. Frasi in inglese.
volume I, chapter V: "On the Development of the Intellectual and Moral Faculties during Primeval and Civilised Times" (second edition, 1874) page 143 http://darwin-online.org.uk/content/frameset?pageseq=166&itemID=F944&viewtype=image
The Descent of Man (1871)
Origine: The Expression of the Emotions in Man and Animals (1872), chapter XIII: "Self-attention — Shame — Shyness — Modesty: Blushing", page 347 http://darwin-online.org.uk/content/frameset?pageseq=375&itemID=F1142&viewtype=image
volume I, chapter I: "The Evidence of the Descent of Man from some Lower Form", pages 13-14 http://darwin-online.org.uk/content/frameset?pageseq=26&itemID=F937.1&viewtype=image
The Descent of Man (1871)
volume II, chapter XXI: "General Summary and Conclusion", page 393 http://darwin-online.org.uk/content/frameset?pageseq=410&itemID=F937.2&viewtype=image
The Descent of Man (1871)
page 48 http://darwin-online.org.uk/content/frameset?pageseq=88&itemID=F1497&viewtype=image
Autobiography (1958)
“It is a curious little world within itself”
About the island of Saint Helena
The Voyage of the Beagle (1839)
Origine: http://www.darwinproject.ac.uk/letter/entry-305
Origine: The Expression of the Emotions in Man and Animals (1872), chapter XIV: "Concluding Remarks and Summary", page 352 http://darwin-online.org.uk/content/frameset?pageseq=380&itemID=F1142&viewtype=image
volume I, chapter VIII: "Religion", pages 306-307 http://darwin-online.org.uk/content/frameset?pageseq=324&itemID=F1452.1&viewtype=image; letter http://www.darwinproject.ac.uk/entry-8837 to Dutch student N.D. Doedes (2 April 1873)
The Life and Letters of Charles Darwin (1887)
Letter to John Scott, quoted in More Letters of Charles Darwin: A Record of His Work in a Series of Hitherto Unpublished Letters http://books.google.com/books?id=8FXwAAAAMAAJ&, volume 2, page 323 (1903)
Other letters, notebooks, journal articles, recollected statements
volume I, chapter VI: "The Voyage", page 246 http://darwin-online.org.uk/content/frameset?pageseq=264&itemID=F1452.1&viewtype=image; letter to sister Caroline Sarah Darwin (22 May 1833)
The Life and Letters of Charles Darwin (1887)
volume III, chapter IV: "The Publication of the 'Descent of Man', page 176 http://darwin-online.org.uk/content/frameset?pageseq=188&itemID=F1452.3&viewtype=image; letter to Thomas Higginson (27 February 1873)
The Life and Letters of Charles Darwin (1887)
Letter http://www.darwinproject.ac.uk/letter/entry-12041 to John Fordyce, 7 May 1879
Other letters, notebooks, journal articles, recollected statements
second edition (1874), chapter XIX: "Secondary Sexual Characters of Man", page 563 http://darwin-online.org.uk/content/frameset?pageseq=586&itemID=F944&viewtype=image
The Descent of Man (1871)
The first sentence is often quoted in isolation http://www.conservapedia.com/Charles_Darwin, with the suggestion that Darwin is saying that his speculations concerning evolution "run quite beyond the bounds of true science." In fact, as the context makes clear, Darwin is referring to his speculations concerning the geographical ranges of genera with few species.
Other letters, notebooks, journal articles, recollected statements
Origine: Letter http://www.darwinproject.ac.uk/letter/entry-2109 to Asa Gray, 18 June 1857
volume II, chapter II: "The Growth of the 'Origin of Species' — 1843-1856", page 23 http://darwin-online.org.uk/content/frameset?pageseq=39&itemID=F1452.2&viewtype=image; letter http://www.darwinproject.ac.uk/letter/entry-729 to J.D. Hooker (11 January 1844)
The Life and Letters of Charles Darwin (1887)
Origine: The Formation of Vegetable Mould through the Action of Worms (1881), Chapter 2: Habits of Worms, p. 70. http://darwin-online.org.uk/content/frameset?pageseq=85&itemID=F1357&viewtype=image
This passage has been cited as an anticipation of the idea of punctuated equilibrium.
Origine: On the Origin of Species (1859), chapter IV: "Natural Selection", page 105 http://darwin-online.org.uk/content/frameset?pageseq=120&itemID=F373&viewtype=image
“Even insects express anger, terror, jealousy, and love by their stridulation.”
Origine: The Expression of the Emotions in Man and Animals (1872), chapter XIV: "Concluding Remarks and Summary", page 350
Introduction, p. 6. http://darwin-online.org.uk/content/frameset?pageseq=21&itemID=F1357&viewtype=image
The Formation of Vegetable Mould through the Action of Worms (1881)