Robert Anson Heinlein: Frasi in inglese

“Happiness consists in getting enough sleep. Just that, nothing more.”

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Robert A. Heinlein libro Fanteria dello spazio

Origine: Starship Troopers

“Life is short, but the years are long.”

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Robert A. Heinlein libro Methuselah's Children

Part of the secret "call and response" codewords by which members of the long-lived Howard Families can identify others:
: Life is short.
But the years are long.
Not while the evil days come not.
Methuselah's Children (1958)

“Women and cats will do as they please, and men and dogs should relax and get used to the idea.”

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Robert A. Heinlein Time Enough for Love

Time Enough for Love (1973)

“Stupidity cannot be cured. Stupidity is the only universal capital crime; the sentence is death. There is no appeal, and execution is carried out automatically and without pity.”

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Robert A. Heinlein

“Never attempt to teach a pig to sing; it wastes your time and annoys the pig.”

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Robert A. Heinlein Time Enough for Love

Origine: Time Enough for Love

“A generation which ignores history has no past —and no future.”

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Robert A. Heinlein Time Enough for Love

Origine: Time Enough for Love (1973)

“Love is the condition in which the happiness of another person is essential to your own.”

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Robert A. Heinlein libro Straniero in terra straniera

"Jubal Harshaw" in the first edition (1961); the later 1991 "Uncut" edition didn't have this line, because it was one Heinlein had added when he went through and trimmed the originally submitted manuscript on which the "Uncut" edition is based. Heinlein also later used a variant of this in The Cat Who Walks Through Walls where he has Xia quote Harshaw: "Dr. Harshaw says that 'the word "love" designates a subjective condition in which the welfare and happiness of another person are essential to one's own happiness.'"
Origine: Stranger in a Strange Land (1961; 1991)

“Do not handicap your children by making their lives easy.”

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Robert A. Heinlein Time Enough for Love

Time Enough for Love (1973)

“Never underestimate the power of human stupidity.”

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Robert A. Heinlein Time Enough for Love

Origine: Time Enough for Love (1973)

“Sin lies only in hurting other people unnecessarily. All other "sins" are invented nonsense. (Hurting yourself is not sinful -- just stupid.)”

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Robert A. Heinlein Time Enough for Love

Origine: Time Enough for Love

“People who go broke in a big way never miss any meals. It is the poor jerk who is shy a half slug who must tighten his belt.”

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Robert A. Heinlein Time Enough for Love

Origine: Time Enough for Love

“A human being should be able to change a diaper, plan an invasion, butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly. Specialization is for insects.”

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Robert A. Heinlein Time Enough for Love

Time Enough for Love (1973)

“The hardest part about gaining any new idea is sweeping out the false idea occupying that niche. As long as that niche is occupied, evidence and proof and logical demonstration get nowhere.”

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Robert A. Heinlein libro The Cat Who Walks Through Walls

Gwen Novak (Hazel Stone); chapter 18, p. 230
The Cat Who Walks Through Walls (1985)
Contesto: The hardest part about gaining any new idea is sweeping out the false idea occupying that niche. As long as that niche is occupied, evidence and proof and logical demonstration get nowhere. But once the niche is emptied of the wrong idea that has been filling it — once you can honestly say, "I don't know", then it becomes possible to get at the truth.