It is not so much that I have confidence in scientists being right, but that I have so much in nonscientists being wrong.

You don't have to be able to lay eggs to know when one of them is rotten.

If you have talent, you will receive some measure of success - but only if you persist.

Education isn't something you can finish

There are no happy endings in history, only crisis points that pass.

Properly read, the Bible is the most potent force for atheism ever conceived.

Was there anything more exciting in life than seeking answers?

While he lives, he must think; while he thinks, he must dream.

The closer to the truth, the better the lie, and the truth itself, when it can be used, is the best lie.

No sensible decision can be made any longer without taking into account not only the world as it is but the world as it will be.

The intelligent man is never bored.

All you have to do is take a close look at yourself and you will understand everyone else.

The true delight is in finding out rather than in knowing.

Never let your sense of morals get in the way of doing what's right.

To succeed, planning alone is insufficient. One must improvise as well.

It is well-known that the friend of a conqueror is but the last victim.

Any teacher that can be replaced by a computer should be replaced by a computer.

Man's greatest asset is the unsettled mind.

In life, unlike chess, the game continues after checkmate.