Yesterday I was clever, so I wanted to change the world. Today I am wise, so I am changing myself.

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.

I've never known any trouble than an hour's reading didn't assuage.

Adapt what is useful, reject what is useless, and add what is specifically your own.

Don't compromise yourself. You are all you've got.

Never argue with an idiot. They drag you down to their level and then beat you with experience.

Promises are like crying babies in a theater, they should be carried out at once.

Man is the only creature who refuses to be what he is.

Nobody has the power to take two steps together; you can take only one step at a time.

The secret of life, though, is to fall seven times and to get up eight times.

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

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

Fear doesn't exist anywhere except in the mind.

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

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

Accuracy is the twin brother of honesty; inaccuracy, of dishonesty.

Whenever you find yourself on the side of the majority, it is time to pause and reflect.

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

Knowing is not enough, we must apply. Willing is not enough, we must do.

The future is uncertain but the end is always near.

For we walk by faith, not by sight