It is divinity that shapes, not only your ends, but also your acts, your words and thoughts.

Obsession is the wellspring of genius and madness.

Bitterness is like cancer. It eats upon the host. But anger is like fire. It burns it all clean.

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.

Anger begins in folly, and ends in repentance.

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

Be realistic: Plan for a miracle

It has seemed to be more necessary to have regard to the weight of words rather than to their number.

There's no sense in being precise when you don't even know what you're talking about.

It is the mark of an educated mind to be able to entertain a thought without accepting it.

Simplicity is the ultimate sophistication.

The best revenge is to be unlike him who performed the injury.

To do great things is difficult, but to command great things is more difficult.

Knowing yourself is the beginning of all wisdom.

Immoderate desire is the mark of a child, not a man.

Never pick a fight with an ugly person, they've got nothing to lose.

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.

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

Learned we may be with another man's learning: we can only be wise with wisdom of our own.

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

It is neither good nor bad, but thinking makes it so.