If a man could have half of his wishes, he would double his troubles.

You cannot truly listen to anyone and do anything else at the same time.

Let him who would move the world first move himself.

If you do what you've always done, you'll get what you've always gotten.

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

Admiration is the daughter of ignorance.

Wisdom begins at the end.

There is nothing more uncommon than common sense.

Desire is the very essence of man.

Thoughts without content are empty, intuitions without concepts are blind.

It is not the strength, but the duration, of great sentiments that makes great men.

If we can really understand the problem, the answer will come out of it, because the answer is not separate from the problem.

Wonder is the beginning of wisdom.

How often it is that the angry man rages denial of what his inner self is telling him.

Language is very powerful. Language does not just describe reality. Language creates the reality it describes.

True knowledge lies in knowing how to live.

Your reputation is in the hands of others. That's what the reputation is. You can't control that. The only thing you can control is your character.

Challenges are gifts that force us to search for a new center of gravity. Don't fight them. Just find a new way to stand.

Think no vice so small that you may commit it, and no virtue so small that you may over look it.

To live is not merely to breathe; it is to act; it is to make use of our organs, senses, faculties - of all those parts of ourselves which give us the feeling of existence

Experience keeps a dear school, but fools will learn in no other.