Science is simply common sense at its best.

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.

Wanderer, there is no road, the road is made by walking.

Being our best is asking how can we take ourselves to the precipice of our own limits in any and every situation?

I may forgive, but I'll never forget. Sometimes the hurt runs so deep, that it may take a lifetime to flush it out.

Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours. I am the fellow citizen of every being that thinks; my country is Truth.

With regard to performance, commitment, effort, dedication, there is no middle ground. Or you do something very well or not at all.

Unless inside, where no one sees, our soul is kneelling, too, a prayer is not so likely to get through.

Enthusiasm is a divine possession.

Making an issue of a little thing is one of the surest ways to spoil happiness.

A typical software project can present more opportunities to learn from mistakes than some people get in a lifetime.

I'm a character actor, but I look like a leading man.