We should not give up and we should not allow the problem to defeat us.

I'm not telling you it's going to be easy - I'm telling you it's going to be worth it.

Once you learn to quit, it becomes a habit.

When you believe in a thing, believe in it all the way, implicitly and unquestionably.

Courage is the most important of all the virtues, because without courage you can't practice any other virtue consistently. You can practice any virtue erratically, but nothing consistently without courage.

Others have seen what is and asked why. I have seen what could be and asked why not.

If you want a thing done well, do it yourself.

When everything seems to be going against you, remember that the airplane takes off against the wind, not with it ....

If we go down into ourselves, we find that we possess exactly what we desire.

I will take fate by the throat; it will never bend me completely to its will.

The unexamined life is not worth living.

Freedom from the desire for an answer is essential to the understanding of a problem.

If you can dream it, you can do it. Always remember that this whole thing was started with a dream and a mouse.

What's the world's greatest lie?... It's this: that at a certain point in our lives, we lose control of what's happening to us, and our lives become controlled by fate.

Do what you can, with what you have, where you are.

The great art of life is sensation, to feel that we exist, even in pain.

Why live an ordinary life, when you can live an extraordinary one.

If you put off everything till you're sure of it, you'll never get anything done.

Don't fear failure. Not failure, but low aim, is the crime. In great attempts it is glorious even to fail.

Do you want to know who you are? Don't ask. Act! Action will delineate and define you.

In essence, if we want to direct our lives, we must take control of our consistent actions. It's not what we do once in a while that shapes our lives, but what we do consistently.