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.

Strength does not come from physical capacity. It comes from an indomitable will.

The more skilled you are at something, the worse you are at it when showing someone.

A wise man can learn more from a foolish question than a fool can learn from a wise answer.

Good means not merely not to do wrong, but rather not to desire to do wrong.

Judge not unless you judge yourself.

No matter how much suffering you went through, you never wanted to let go of those memories.

Although our intellect always longs for clarity and certainty, our nature often finds uncertainty fascinating.

Science may set limits to knowledge, but should not set limits to imagination.

Don't expect to build up the weak by pulling down the strong.

Knowing yourself is the beginning of all wisdom.

Taste every fruit of every tree in the garden at least once. It is an insult to creation not to experience it fully. Temperance is wickedness.

There are two educations. One should teach us how to make a living and the other how to live.

Intelligence is a moral category.

Work is the price which is paid for reputation.

The path to success is to take massive, determined action.

The most courageous act is still to think for yourself. Aloud.

Rational discussion is useful only when there is a significant base of shared assumptions.

The object of the superior man is truth.

Generosity is giving more than you can, and pride is taking less than you need.

Achievement brings its own anticlimax.