I'm sorry I wrote you such a long letter; I didn't have time to write a short one.

The great secret of true success, of true happiness, is this: the man or woman who asks for no return, the perfectly unselfish person, is the most successful.

Truth can be stated in a thousand different ways, yet each one can be true.

It is our choices...that show what we truly are, far more than our abilities.

You can wish for things in the future to be different, but in this moment you have to accept things as they are.

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

People who are unable to motivate themselves must be content with mediocrity, no matter how impressive their other talents.

Man needs his difficulties because they are necessary to enjoy success.

Today I shall behave, as if this is the day I will be remembered.

The starting point of all achievement is desire.

When written in Chinese, the word 'crisis' is composed of two characters. One represents danger, the other opportunity.

He who is not courageous enough to take risks will accomplish nothing in life

I'd rather be an optimist and a fool than a pessimist and right.

Strength of mind rests in sobriety; for this keeps your reason unclouded by passion.

You have brains in your head. You have feet in your shoes. You can steer yourself any direction you choose.

They deem me mad because I will not sell my days for gold; and I deem them mad because they think my days have a price.

The desire to reach for the stars is ambitious. The desire to reach hearts is wise.

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

You are never too old to become younger!

Question with boldness even the existence of God; because, if there be one, he must more approve of the homage of reason than that of blindfolded fear.

Once you have tasted flight, you will forever walk the earth with your eyes turned skyward, for there you have been, and there you will always long to return.