Courage isn't having the strength to go on - it is going on when you don't have strength.

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.

Neither seek nor avoid, take what comes.

Do not look for approval except for the consciousness of doing your best.

Only in the darkness, you are able to see the stars.

Keep your face always toward the sunshine - and shadows will fall behind you.

There is only one corner of the universe you can be certain of improving, and that's your own self.

When every physical and mental resource is focused, one's power to solve a problem multiplies tremendously.

Insanity is doing the same thing over and over again and expecting different results.

When they say the sky's the limit to me that's really true

To attain the impossible, one must attempt the absurd.

You can chain me, you can torture me, you can even destroy this body, but you will never imprison my mind.

The unexamined life is not worth living.

As long as I'm in great shape, nobody beats me, for sure.

I don't care what people think or say about me, I know who I am.

When I was in college, I wanted to be involved in things that would change the world.

Our greatest glory is not in never falling but in rising every time we fall.

The biggest adventure you can ever take is to live the life of your dreams.

The secret of genius is to carry the spirit of the child into old age, which means never losing your enthusiasm.

You must never be fearful about what you are doing when it is right.

For every dark night, there's a brighter day