I do a great deal of work with young children, and if you give a child a problem, he may come up with a highly original solution, because he doesn't have the established route to it.

Everyone has the right to doubt everything as often as he pleases and the duty to do it at least once. No way of looking at things is too sacred to be reconsidered. No way of doing things is beyond improvement.

Many highly intelligent people are poor thinkers. Many people of average intelligence are skilled thinkers. The power of a car is separate from the way the car is driven.

Don't criticise a hypothesis, come up with a better one.

Being right is not too difficult. Your choose your perception. You select your information. You leave out what does not suit you. You drag in some general-purpose value words. You throw in a sneer or two about the opposition, and you are a fine fellow who made a fine speech.

Unfortunately, our existing traditional thinking habits insist that you must attack something and show it to be bad before you can suggest a change. It is more difficult to acknowledge that something is excellent and then to ask for change because although it is excellent, it is not enough.

Mock the devil, and he will flee from thee.