Don't raise your voice, improve your argument.

Good advice is always certain to be ignored, but that's no reason not to give it.

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

Do not say a little in many words, but a great deal in few!

Talent is God given. Be humble. Fame is man-given. Be grateful. Conceit is self-given. Be careful.

The smaller the mind, the greater the conceit.

Only idiots refuse to change their minds.

The ultimate authority must always rest with the individual's own reason and critical analysis.

A good teacher protects his pupils from his own influence.

Confidence is contagious. So is lack of confidence.

There are four ways, and only four ways, in which we have contact with the world. We are evaluated and classified by these four contacts: what we do, how we look, what we say, and how we say it.

Realize deeply that the present moment is all you ever have.

Knowing yourself is the beginning of all wisdom.

Intellectuals solve problems, geniuses prevent them.

What a man does for others, not what they do for him, gives him immortality.

You have heard that it was said, 'Eye for eye, and tooth for tooth.' But I tell you, do not resist an evil person. If someone strikes you on the right cheek, turn to him the other also.

Intelligence is the ability to adapt to change.

Don't compromise yourself. You are all you've got.

Those who dance are considered insane by those who cannot hear the music.

Drop the idea that you are Atlas carrying the world on your shoulders. The world would go on even without you. Don't take yourself so seriously.

I think, therefore I am.