It is not to be forgotten that what we call rational grounds for our beliefs are often extremely irrational attempts to justify our instincts.

The great tragedy of science - the slaying of a beautiful hypothesis by an ugly fact.

Only one absolute certainty is possible to man, namely that at any given moment the feeling which he has exists.

The Bible has been the Magna Charta of the poor and of the oppressed.

If a little knowledge is dangerous, where is the man who has so much as to be out of danger?

It is not who is right, but what is right, that is of importance.

Thoughtfulness for others, generosity, modesty, and self-respect are the qualities which make a real gentleman or lady.

God give me strength to face a fact though it slay me.

Life is too short to occupy oneself with the slaying of the slain more than once.

The secret of genius is to carry the spirit of childhood into maturity.

Make up your mind to act decidedly and take the consequences. No good is ever done in this world by hesitation.

If you can't experience the humanity of people who don't look like you, you're not civilized enough to be an officer of the peace.

Groups create supernatural beings not to explain the universe but to order their societies.

Sometimes, people trying to commit suicide manage it in a manner that leaves them breathless with astonishment.

Hindsight is always zo/20.

If you miss one moment of enjoying your own life and relationships because you're trying to punish someone else, the bad guy wins.

Life must be lived and curiosity kept alive. One must never, for whatever reason, turn his back on life.

A man who won't listen can't hear.

I keep my eyes wide open all the time.

I don't like quintessential certitude.

Engineering is the art or science of making practical.