Removing the faults in a stage-coach may produce a perfect stage-coach, but it is unlikely to produce the first motor car.

Only the human brain can deliberately change perceptions, change patterns, invent concepts and tolerate ambiguity.

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

Creativity makes life more fun and more interesting.

The purpose of science is not to analyze or describe but to make useful models of the world. A model is useful if it allows us to get use out of it.

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.

Sometimes the situation is only a problem because it is looked at in a certain subjective, negative, ungrateful way.