Do not count your chickens before they are hatched.

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.

Self-confidence is the first requisite to great undertakings.

The key to immortality is first living a life worth remembering.

Only those are fit to live who do not fear to die; and none are fit to die who have shrunk from the joy of life and the duty of life. Both life and death are parts of the same Great Adventure.

People are capable, at any time in their lives, of doing what they dream of.

In winter, I plot and plan. In spring, I move.

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

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

Winners and losers aren't born, they are the products of how they think

Be the change that you wish to see in the world.

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

Patience is bitter, but its fruit is sweet.

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

Victory is for those who can say 'Victory is mine'. Success is for those who can begin saying 'I will succeed' and say 'I have succeeded' in the end.

Some people regard discipline as a chore. For me, it is a kind of order that sets me free to fly.

It's always too early to quit.

The person who takes no chances generally has to take whatever is left when others are through choosing.

Life is 10 percent what happens to you and ninety percent how you respond to it.

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

People don't realize how a man's whole life can be changed by one book.