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

I think nature's imagination Is so much greater than man's, she's never going to let us relax.

Nothing is impossible, the word itself says 'I am possible'

Keep your eyes on the stars, and your feet on the ground.

No one is free who has not obtained the empire of himself. No man is free who cannot command himself.

It is better to light one small candle than to curse the darkness.

I may have had a lot of luck in my life, but I still need to find a challenge in the game.

Do not pray for easy lives. Pray to be stronger men.

If you paint in your mind a picture of bright and happy expectations, you put yourself into a condition conducive to your goal.

It's kind of fun to do the impossible.

My advice to other disabled people would be, concentrate on things your disability doesn't prevent you doing well, and don't regret the things it interferes with. Don't be disabled in spirit as well as physically.

Stop acting so small. You are the universe in ecstatic motion.

I'd rather be hated for who I am, than loved for who I am not.

Know thyself.

You'll never get ahead of anyone as long as you try to get even with him.

Determine never to be idle. No person will have occasion to complain of the want of time, who never loses any. It is wonderful how much may be done, if we are always doing.

If you fell down yesterday, stand up today.

Our life is what our thoughts make it.

If you can't feed a hundred people, then just feed one.

Be happy, but never satisfied.

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