Find out who you are. And do it on purpose.

Know thyself.

We are all in the gutter, but some of us are looking at the stars.

The secret of health for both mind and body is not to mourn for the past, nor to worry about the future, but to live the present moment wisely and earnestly.

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

Be more concerned with your character than your reputation, because your character is what you really are, while your reputation is merely what others think you are.

The men who have succeeded are men who have chosen one line and stuck to it.

Instead of worrying about what people say of you, why not spend time trying to accomplish something they will admire

We are what we repeatedly do. Excellence, then, is not an act, but a habit.

When written in Chinese, the word 'crisis' is composed of two characters. One represents danger, the other opportunity.

This is one small step for a man, one giant leap for mankind.

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.

I'll try anything once, twice if I like it, three times to make sure.

The best way out is always through.

Some people don't like change, but you need to embrace change if the alternative is disaster.

As a child of God, I am greater than anything that can happen to me.

Whatever you do will be insignificant, but it is very important that you do it.

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

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

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.

It's not the load that breaks you down, it's the way you carry it.