Unhappiness is best defined as the difference between our talents and our expectations.

An idea that is developed and put into action is more important than an idea that exists only as an idea.

Asking a question is the simplest way of focusing thinking...asking the right question may be the most important part of thinking.

Creativity gives the possibility of some sort of achievement to everyone.

Mock the devil, and he will flee from thee.

We need both information and thinking. Information is no substitute for thinking and thinking is no substitute for information.

The need to be right all the time is the biggest bar to new ideas.