Anyone who cannot cope with mathematics is not fully human. At best he is a tolerable subhuman who has learned to wear shoes, bathe, and not make messes in the house.
Robert Heinlein (1907 - 1988)
Source: Time Enough for Love.
Contributed by: Zaady
You can go wrong by being too skeptical as readily as by being too trusting.
Source: Lazarus Long
One man's theology is another man's belly laugh.
Source: Lazarus Long, Time Enough for Love
Most people can't think, most of the remainder won't think, the small fraction who do think mostly can't do it very well.
Source: Time Enough for Love
The saddest thing about ephemerals was that their little lives rarely held time enough for love.
Free will is a golden thread running through the frozen matrix of fixed events.
Source: The Rolling Stones
Going to the showers is the best part of the game.
Source: Jubal in Stranger in a Strange Land
Only a sadistic scoundrel-or a fool-tells the bald truth on social occasions.
A generation which ignores history has no past - and no future.
Source: The Notebooks of Lazurus Long, a character found in more than 12 Heinlein books
I've found out why people laugh. They laugh because it hurts-because it's the only thing that'll make it stop hurting.
Source: Valentine Michael Smith in Stranger in a Strange Land
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