Simplicity of character is no hindrance to subtlety of intellect.

Simplicity of character is the natural result of profound thought.

No man can climb out beyond the limitations of his own character.

The first sign of ignorance is believing that the world is a simple place to live. The first sign of arrogance is believing that you yourself has all of the answers to life's complexities.

When you sell a man a book, you don't sell him 12 ounces of paper and ink and glue - you sell him a whole new life.

There is only one rule for being a good talker - learn to listen.