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

The more I see, the less I know for sure.

Intelligence is the ability to adapt to change.

Life would be tragic if it weren't funny.

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

People won't have time for you if you are always angry or complaining.

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.

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

We should seek the greatest value of our action.