There is only one good, knowledge, and one evil, ignorance.

A journey of a thousand miles begins with a single step.

Part of me suspects that I'm a loser, and the other part of me thinks I'm God Almighty.

The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.

It's not what you are that holds you back, it's what you think you are not.

My brain is only a receiver, in the Universe there is a core from which we obtain knowledge, strength and inspiration. I have not penetrated into the secrets of this core, but I know that it exists.

If everyone demanded peace instead of another television set, then there'd be peace.

If you can't explain it to a six year old, you don't understand it yourself.

We may have all come on different ships, but we’re in the same boat now.