Moderation in temper is always a virtue; but moderation in principle is always a vice.

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

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

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.

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

Only idiots refuse to change their minds.

Intellectuals solve problems, geniuses prevent them.

It is hard to fight desire; but to control it is the sign of a reasonable man.

Peace is not an absence of war, it is a virtue, a state of mind, a disposition for benevolence, confidence, justice.

Intelligence is the ability to adapt to change.

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

The one you buy will be the only one that doesn't work.

Without courage, wisdom bears no fruit.

Empty pockets never held anyone back. Only empty heads and empty hearts can do that.

There is a wisdom of the head, and... there is a wisdom of the heart.

A man who as a physical being is always turned toward the outside, thinking that his happiness lies outside him, finally turns inward and discovers that the source is within him.

In a good bookroom you feel in some mysterious way that you are absorbing the wisdom contained in all the books through your skin, without even opening them.

Obsession is the wellspring of genius and madness.

It is always advisable to perceive clearly our ignorance.

Be curious, not judgmental.

A mistake is always forgivable, rarely excusable and always unacceptable.