For me, politeness is a sine qua non of civilization.
ROBERT A. HEINLEINOne could write a history of science in reverse by assembling the solemn pronouncements of highest authority about what could not be done and could never happen.
More Robert A. Heinlein Quotes
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The supreme irony of life is that hardly anyone gets out of it alive.
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Never worry about theory as long as the machinery does what it’s supposed to do.
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No statement should be believed because it is made by an authority.
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Manners are good when one may have to back up his acts with his life.
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I don’t see how an article of clothing can be indecent. A person, yes.
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May you live as long as you wish and love as long as you live.
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An armed society is a polite society.
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Women and cats will do as they please, and men and dogs should relax and get used to the idea.
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They didn’t want it good, they wanted it Wednesday.
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A competent and self-confident person is incapable of jealousy in anything. Jealousy is invariably a symptom of neurotic insecurity.
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Being right too soon is socially unacceptable.
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One man’s ‘magic’ is another man’s engineering. ‘Supernatural’ is a null word.
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Never underestimate the power of human stupidity.
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Jealousy is a disease, love is a healthy condition. The immature mind often mistakes one for the other, or assumes that the greater the love, the greater the jealousy.
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The best thing about space travel is that it made it possible to go elsewhere.
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I never learned from a man who agreed with me.
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It’s an indulgence to sit in a room and discuss your beliefs as if they were a juicy piece of gossip.
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Never insult anyone by accident.
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The difference between science and the fuzzy subjects is that science requires reasoning while those other subjects merely require scholarship.
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By cultivating the beautiful we scatter the seeds of heavenly flowers, as by doing good we cultivate those that belong to humanity.
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Don’t handicap your children by making their lives easy.
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Sex without love is merely healthy exercise.
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You can have peace. Or you can have freedom. Don’t ever count on having both at once.
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To be matter-of-fact about the world is to blunder into fantasy – and dull fantasy at that, as the real world is strange and wonderful.
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Political tags – such as royalist, communist, democrat, populist, fascist, liberal, conservative, and so forth – are never basic criteria.
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One man’s theology is another man’s belly laugh.
ROBERT A. HEINLEIN