Isn't it astonishing that all these secrets have been preserved for so many years just so we could discover them!

First ask yourself: What is the worst that can happen? Then prepare to accept it. Then proceed to improve on the worst.

Patience is bitter, but its fruit is sweet.

If we want a free and peaceful world, if we want to make the deserts bloom and man grow to greater dignity as a human being-we can do it.

Find out who you are. And do it on purpose.

United we stand; divided we fall.

I have a dream that one day little black boys and girls will be holding hands with little white boys and girls.

I can never stand still. I must explore and experiment. I am never satisfied with my work. I resent the limitations of my own imagination.

The question isn't who is going to let me; it's who is going to stop me.

If you can't fly then run, if you can't run then walk, if you can't walk then crawl, but whatever you do you have to keep moving forward.

The man with no imagination has no wings.

Give yourself something to work toward - constantly.

Everything you want is out there waiting for you to ask. Everything you want also wants you. But you have to take action to get it.

If I find 10,000 ways something won't work, I haven't failed. I am not discouraged, because every wrong attempt discarded is another step forward.

If the only tool you have is a hammer, you tend to see every problem as a nail.

You'll never do a whole lot unless you're brave enough to try.

The secret to creativity is knowing how to hide your sources.

The greatest accomplishment is not in never falling, but in rising again after you fall.

You need a little bit of insanity to do great things.

Believe you can and you're halfway there.

We are what we repeatedly do. Excellence, then, is not an act, but a habit.