"Success comes from knowing what you don't know more than from knowing what you do know."

"Knowing how to deal well with not knowing is far more important than knowing."

"One of the most cowardly things ordinary people do is to shut their eyes to facts."

"Education without values, as useful as it is, seems rather to make man a more clever devil."

"Once people stop believing in God, the problem is not that they will believe in nothing; rather, the problem is that they will believe anything."

"A proud man is always looking down on things and people; and, of course, as long as you are looking down, you cannot see something that is above you."