The only thing certain is nothing is certain.

In law, nothing is certain but the expense.

A hen is only an egg's way of making another egg.

Life is like playing a violin solo in public and learning the instrument as one goes on.

God cannot alter the past, though historians can.

Brigands demand your money or your life; women require both.

Life is the art of drawing sufficient conclusions from insufficient premises.

All animals, except man, know that the principal business of life is to enjoy it.

Don't learn to do, but learn in doing.

There is nothing on which men are commonly more intent than on making a way for their opinions.

Only the fools are certain and assured.

Nothing fixes a thing so intensely in the memory as the wish to forget it.

We need to interpret interpretations more than to interpret things.

A man must learn to endure patiently what he cannot avoid conveniently.

Confidence in the goodness of another is good proof of one's goodness.

A man is not hurt so much by what happens, as by his opinion of what happens.

I do not teach. I relate.

He who does not live in some degree for others, hardly lives for himself.

I consider myself an average man, except for the fact that I consider myself an average man.