The wise man should restrain his senses like the crane and accomplish his purpose with due knowledge of his place, time and ability.

Immoderate desire is the mark of a child, not a man.

I don't know, I don't care, and it doesn't make any difference.

To do great things is difficult, but to command great things is more difficult.

Convictions are more dangerous enemies of truth than lies.

A crust eaten in peace is better than a banquet partaken in anxiety.

Better beggar woman and single than Queen and married.

Confidence is contagious. So is lack of confidence.

For beautiful eyes, look for the good in others; for beautiful lips, speak only words of kindness; and for poise, walk with the knowledge that you are never alone.

The heart has its reasons which reason knows not.

Knowing yourself is the beginning of all wisdom.

Criticize the act, not the person.

There is geometry in the humming of the strings. There is music in the spacing of the spheres.

Throw your heart over the fence and the rest will follow.

How often I found where I should be going only by setting out for somewhere else.

A friend to all is a friend to none

Just remember, once you're over the hill you begin to pick up speed.

Science is organized knowledge. Wisdom is organized life.

We choose our joys and sorrows long before we experience them.

A good teacher protects his pupils from his own influence.

Bitterness is like cancer. It eats upon the host. But anger is like fire. It burns it all clean.