If we know exactly where we're going, exactly how to get there, and exactly what we'll see along the way, we won't learn anything.

Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.

Nothing is more intolerable than to have to admit to yourself your own errors.

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

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

All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.

None but ourselves can free our minds.

Nobody made a greater mistake than he who did nothing because he could do only a little.

The only limit to our realization of tomorrow will be our doubts of today.

Mistakes are always forgivable, if one has the courage to admit them.

You don't become what you want, you become what you believe

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

In the midst of movement and chaos, keep stillness inside of you.

I write with experiences in mind, but I don't write about them, I write out of them.

The only way to get the best of an argument is to avoid it.

Wisdom... comes not from age, but from education and learning.

Beer: The cause of, and solution to, all of life's problems.

Desire is the very essence of man.

Obsession is the wellspring of genius and madness.

Happiness is not an ideal of reason, but of imagination.

And no one will listen to us until we listen to ourselves.