1,085 Quotes by Robert A. Heinlein

Time is your total capital, and the minutes of your life are painfully few.

The nice thing about citing god as an authority is that you can prove anything you set out to prove.

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.

If tempted by something that feels 'altruistic,' examine your motives and root out that self-deception. Then, if you still want to do it, wallow in it!

Only a sadistic scoundrel-or a fool-tells the bald truth on social occasions.

Since survival is the sine qua non, I now define the "moral behavior" as "behavior that tends toward survival".

Learning . . . is - also an end in itself.

There are two ways of forming an opinion. One is the scientific method; the other, the scholastic. To the scientific mind, experimental proof is all-important, and theory is merely a convenience in description, to be junked when it no longer fits. To the academic mind, authority is everything, and facts are junked when they do not fit theory.

High Frontier places a bullet-proof vest on our bare chest. High Frontier is as non-aggressive as a bullet-proof vest. There is no way to kill anyone with High Frontier - all that High Frontier can do is to keep others from killing us.