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Everything is theoretically impossible, until it is done.
Robert A. Heinlein
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Robert A. Heinlein
Age: 80 †
Born: 1907
Born: July 7
Died: 1988
Died: May 8
Essayist
Literary Critic
Naval Officer
Novelist
Prosaist
Science Fiction Writer
Science Writer
Screenwriter
Stonemason
Writer
Butler
Missouri
Robert Anson Heinlein
Anson MacDonald
Lyle Monroe
John Riverside
Caleb Saunders
Simon York
Done
Theoretically
Impossibility
Possibility
Impossible
Science
Everything
More quotes by Robert A. Heinlein
We learned not to waste ammo even on warriors except in self-protection
Robert A. Heinlein
Humans hardly ever learn from the experience of others. They learn - when they do, which isn't often - on their own, the hard way.
Robert A. Heinlein
War is not violence and killing, pure and simple war is controlled violence, for a purpose. The purpose of war is to support your government's decisions by force. The purpose is never to kill the enemy just to be killing him but to make him do what you want him to do. Not killing... but controlled and purposeful violence.
Robert A. Heinlein
My vocal cords lived their own life, wild and free.
Robert A. Heinlein
Taxes are not levied for the benefit of the taxed.
Robert A. Heinlein
It is better to copulate than never.
Robert A. Heinlein
Customs tell a man who he is, where he belongs, what he must do. Better illogical customs than none men cannot live together without them.
Robert A. Heinlein
The saddest thing about ephemerals was that their little lives rarely held time enough for love.
Robert A. Heinlein
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.
Robert A. Heinlein
Nor would anybody suspect. If was one thing all people took for granted, was conviction that if you feed honest figures into a computer, honest figures come out. Never doubted it myself till I met a computer with a sense of humor.
Robert A. Heinlein
Logic is a feeble reed, friend. Logic proved that airplanes can't fly and that H-bombs won't work and that stones don't fall out of the sky. Logic is a way of saying that anything which didn't happen yesterday won't happen tomorrow.
Robert A. Heinlein
Ignorance is curable, stupid is forever.
Robert A. Heinlein
To permit irresponsible authority is to sell disaster.
Robert A. Heinlein
The worst that can possibly have happened to him is death and that we are all in for---if not this morning, then in days, or weeks, or years at most.
Robert A. Heinlein
The capacity of the human mind for swallowing nonsense and spewing it forth in violent and repressive action has never yet been plumbed.
Robert A. Heinlein
Each generation thinks it invented sex each generation is totally mistaken. Anything along that line today was commonplace both in Pompeii and in Victorian England the differences lie only in the degree of coverup - if any.
Robert A. Heinlein
Expertise in one field does not carry over into other fields. But experts often think so. The narrower their field of knowledge the more likely they are to think so.
Robert A. Heinlein
There were many, many times thereafter that Don regretted having enlisted - but so has every man who ever volunteered for military service.
Robert A. Heinlein
Ninety percent of all human wisdom is the ability to mind your own business.
Robert A. Heinlein
Anyone who can worship a trinity and insist that his religion is a monotheism can believe anything.
Robert A. Heinlein