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.

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.

People who boast about their I.Q. are losers.

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