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

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

You get in life what you have the courage to ask for.

Once you learn to quit, it becomes a habit.

I don’t think we are going to become extinct. We are very clever and very resourceful.

Weakness of attitude becomes weakness of character.

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.

With realization of one's own potential and self-confidence in one's ability, one can build a better world.

Never let the future disturb you. You will meet it, if you have to, with the same weapons of reason which today arm you against the present.

Scar tissue is stronger than regular tissue. Realize the strength, move on.

I am always doing what I cannot do yet, in order to learn how to do it.

Out of intense complexities intense simplicities emerge.

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

You can't learn in school what the world is going to do next year.

We do not consider our principles as dogmas contained in books said to come from heaven. We derive our inspiration, not from heaven, or the unseen world, but directly from life.

I am the captain of my soul.

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

Ability is what you're capable of doing. Motivation determines what you do. Attitude determines how well you do it.

Defeat is not defeat unless accepted as a reality-in your own mind.

Duty does not require any person to submit to the destruction of his personal ambitions and the right to live his own life in his own way.

I do not care so much what I am to others as I care what I am to myself.