If the world should blow itself up, the last audible voice would be that of an expert saying it can't be done.

Honesty pays, but it doesn't seem to pay enough to suit some people.

I am convinced that the best service a retired general can perform is to turn in his tongue along with his suit and to mothball his opinions.

A thought is often original, though you have uttered it a hundred times.

Basic research is what I am doing when I don't know what I am doing.

Our national flower is the concrete cloverleaf.

The three eldest children of Necessity: God, the World, and Love.

The computer is only a fast idiot, it has no imagination; it cannot originate action. It is, and will remain, only a tool to man.

To be interested in the changing seasons is, in this middling zone, a happier state of mind than to be hopelessly in love with spring.

Man's capacity for justice makes democracy possible, but man's inclination to injustice makes democracy necessary.

Nay, be a Columbus to whole new continents and worlds within you, opening new channels, not of trade, but of thought.

A professional writer is an amateur who didn't quit.

In preparing for battle I have always found that plans are useless, but planning is indispensable.

The dead might as well try to speak to the living as the old to the young.

Physicists like to think that all you have to do is say, these are the conditions, now what happens next?

The problem with people who have no vices is that generally you can be pretty sure they're going to have some pretty annoying virtues.

The trouble with our times is that the future is not what it used to be.

The man who does not do his own thinking is a slave, and is a traitor to himself and to his fellow-men.

Humankind cannot stand very much reality.

Love is often nothing but a favorable exchange between two people who get the most of what they can expect, considering their value on the personality market.