There is no shame in not knowing; the shame lies in not finding out.

Never trouble another for what you can do for yourself.

Without properly kept accounts it is impossible to maintain truth in its pristine purity.

The deepest sin against the human mind is to believe things without evidence.

Reality doesn't go away when it is ignored.

The place to improve the world is first in one's own heart and head and hands.

Blame it or praise it, there is no denying the wild horse in us.

There is no education like adversity.

Perhaps the most valuable result of all education is the ability to make yourself do the thing you have to do, when it ought to be done, whether you like it or not; it is the first lesson that ought to be learned; and however early a man’s training begins, it is probably the last lesson that he learns thoroughly.

A good head and good heart are always a formidable combination. But when you add to that a literate tongue or pen, then you have something very special...

College isn't the place to go for ideas.

Do not be embarrassed by your mistakes. Nothing can teach us better than our understanding of them. This is one of the best ways of self-education.

The biggest room in the world is the room for improvement.

Read, read, read. Never stop reading. And when you can't read anymore… write.