Profundity of thought belongs to youth, clarity of thought to old age.

Profundity of thought belongs to youth, clarity of thought to old age.

Every man gets a narrower and narrower field of knowledge in which he must be an expert in order to read more

Every man gets a narrower and narrower field of knowledge in which he must be an expert in order to compete with other people. The specialist knows more and more about less and less and finally knows everything about nothing.

I have found it is much easier to make a success in life than to make a success of one's read more

I have found it is much easier to make a success in life than to make a success of one's life.

The best way to cheer yourself up is to try to cheer somebody else up.

The best way to cheer yourself up is to try to cheer somebody else up.

It is always in season for old men to learn.

It is always in season for old men to learn.

For an impenetrable shield, stand inside yourself.

For an impenetrable shield, stand inside yourself.

Honest disagreement is often a good sign of progress.

Honest disagreement is often a good sign of progress.

In those days he was wiser than he is now--he used frequently to take my advice.

In those days he was wiser than he is now--he used frequently to take my advice.

If someone offers you a breath mint, accept it.

If someone offers you a breath mint, accept it.