How long should you try? Until.

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.

The world is the great gymnasium where we come to make ourselves strong.

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.

The time is always right to do the right thing

The marble not yet carved can hold the form of every thought the greatest artist has.

A man can't soar too high, when he flies with his own wings.

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

Life isn't about finding yourself. Life is about creating yourself.

They alone live, who live for others.

If the only tool you have is a hammer, you tend to see every problem as a nail.

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

Human dignity consists in the role we must play in our own perfection. Taking a role in our own self-completion is the highest expression of our creativity.

I hated every minute of training, but I said, 'Don't quit. Suffer now and live the rest of your life as a champion'.

Aim for the highest.

Weakness of attitude becomes weakness of character.

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

All thinking men are atheists.

I am always doing that which I can not do, in order that I may learn how to do it.

If my mind can conceive it, and my heart can believe it - then I can achieve it.

The three things that are most essential to achievement are common sense, hard work and stick-to-it-iv-nes