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. – Edward de Bono

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What I like about sceptics is that in good science you need critics that make you think: Crumbs, have I made a mistake here? If you dont have that continuously, you really are up the creek. The good sceptics have done a good service, but some of the mad ones I think have not done anyone any favours. – James Lovelock
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