The only true wisdom is in knowing you know nothing.

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

Ignorance, the root and stem of all evil.

Intelligence is the ability to adapt to change.

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.

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

My goal is simple. It is a complete understanding of the universe, why it is as it is and why it exists at all.

We should seek the greatest value of our action.