If you spend too much time thinking about a thing, you'll never get it done.

What lies behind us and what lies before us are tiny matters compared to what lies within us.

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

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

Though the road's been rocky it sure feels good to me.

Out of your vulnerabilities will come your strength.

One of the things I learned when I was negotiating was that until I changed myself, I could not change others.

One person with a belief is equal to a force of ninety-nine who have only interests.

I seldom end up where I wanted to go, but almost always end up where I need to be.

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

Laziness is nothing more than the habit of resting before you get tired.

Anyone who stops learning is old, whether at twenty or eighty. Anyone who keeps learning stays young.

Do not be afraid. Do not be satisfied with mediocrity. Put out into the deep and let down your nets for a catch.

Only when I fall do I get up again.

Repetition of the same thought or physical action develops into a habit which, repeated frequently enough, becomes an automatic reflex.

It's what you learn after you know it all that counts.

You see things; you say, 'Why?' But I dream things that never were; and I say 'Why not?

Argue not concerning God,re-examine all that you have been told at church or school or in any book, dismiss whatever insults your soul

Surround yourself only with people who are going to take you higher.

First ask yourself: What is the worst that can happen? Then prepare to accept it. Then proceed to improve on the worst.

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