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.

A person who knows all the answers, has an opinion on everything, has a certainty backed up by rational argument, has very little possibility of further progress. Such a person is unlikely to walk away from a discussion with anything more than a reaffirmation of how right he or she has been all along.

In the art world, creativity involves aesthetic sensibility, emotional resonance and a gift for expression.

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

Western traditions of education have emphasized knowledge analysis, description and debate. They all have a part to play, but today there is a whole vast aspect of doing that has just been left out. Operacy is what keeps society going.

Our existing thinking habits are excellent, just as the rear wheels of a motor car are excellent, but not enough.

The awful thing is that you can never be aware of what you are not aware of.