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

He was a dreamer, a thinker, a speculative philosopher... or, as his wife would have it, an idiot.

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

Life is entrusted to man as a treasure which must not be squandered, as a talent which must be used well.

Don't find fault, find a remedy; anybody can complain

To succeed in your mission, you must have single-minded devotion to your goal.

We cannot solve our problems with the same thinking we used when we created them.

You can't live a perfect day until you do something for someone who will never be able to repay you.

You have power over your mind - not outside events. Realize this, and you will find strength.

The deeds you do may be the only sermon some persons will hear today.

To myself I am only a child playing on the beach, while vast oceans of truth lie undiscovered before me.

Self-confidence is the first requisite to great undertakings.

If you're not prepared to be wrong, you'll never come up with anything original.

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.

A man should look for what is, and not what he thinks should be.

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.

Climbing to the top demands strength, whether it is to the top of Mount Everest or to the top of your career.

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.

Yelling at living things does tend to kill the spirit in them. Sticks and stones may break our bones, but words will break our hearts...

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

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