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I’m not trying to frighten you, but only a fool makes predictions based on ignorance; I am not that sort of fool.

— Robert A. Heinlein I Will Fear No Evil (1970)

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Knowledge

More quotes by Robert A. Heinlein

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

Stranger in a Strange Land (1961)

“My uncle used to say, ‘Never pick up a stray kitten…unless you’ve already made up your mind to be owned by it.’”

The Cat Who Walks Through Walls (1985)

I have never been able to see life as anything but a vast complicated practical joke, and it’s better to laugh than cry.

I Will Fear No Evil (1970)

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

Time Enough for Love (1973)

If you would know a man, observe how he treats a cat.

The Door Into Summer (1957)

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You have to start with the truth. The truth is the only way that we can get anywhere. Because any decision-making that is based upon lies or ignorance can't lead to a good conclusion.

Julian Assange

The most merciful thing in the world, I think, is the inability of the human mind to correlate all its contents.

H. P. Lovecraft The Call of Cthulhu (1926)

It is not in the books of the Philosophers, but in the religious symbolism of the Ancients, that we must look for the footprints of Science, and re-discover the Mysteries of Knowledge.

Albert Pike Morals and Dogma of the Ancient and Accepted Scottish Rite of Freemasonry (1871)

Men are born ignorant, not stupid; they are made stupid by education.

Bertrand Russell

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Quote text and notes from Wikiquote: Robert A. Heinlein (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.