1,085 Quotes by Robert A. Heinlein

Cast me into a dungeon;, burn me at the state, crown me king of kings, I can ‘pursue happiness’ as long as my brain lives – but neither gods nor saints, wise men nor subtle drugs, can insure that I will catch it.

If men were the automatons that behaviorists claim they are, the behaviorist psychologists could not have invented the amazing nonsense called ‘behaviorist psychology.’

It is impossible for anyone to be responsible for another person’s behavior. The most you or any leader can do is to encourage each one to be responsible for himself.

Many older physicians had gone to their graves calling Pasteur a liar, a fool, or worse – and without examining evidence which their “common sense” told them was impossible.

Man has no moral instinct. He is not born with moral sense. You were not born with it, I was not – and a puppy has none. We acquire moral sense, when we do, through training, experience, and hard sweat of the mind.

I woke up in bed with a man and a cat. The man was a stranger; the cat was not.

A zygote is a gamete’s way of producing more gametes. This may be the purpose of the universe.

The more you love, the more you can love – and the more intensely you love. Nor is there any limit on how many you can love. If a person had time enough, he could love all of that majority who are decent and just.

If a country can’t save itself through the volunteer service of its own free people, then I say : Let the damned thing go down the drain!