Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world.

There are two things a person should never be angry at, what they can help, and what they cannot.

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.

There's no one thing that's true. It's all true.

The most important knowledge is that which guides the way you lead your life.

An honest man is always a child.

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

I cannot teach anybody anything. I can only make them think.

Strong minds discuss ideas, average minds discuss events, weak minds discuss people