Mathematical Reasoning is not only exact; it has its own criteria of reality.

The only absolute truth is that there are no absolute truths.

Science is essentially an anarchic enterprise: theoretical anarchism is more humanitarian and more likely to encourage progress than its law-and-order alternatives.

Copernicanism and other essential ingredients of modern science survived only because reason was frequently overruled in their past.

Science is an essentially anarchic enterprise.

Science is much closer to myth than a scientific philosophy is prepared to admit. It is one of the many forms of thought that have been developed by man, and not necessarily the best. It is conspicuous, noisy, and impudent, but it is inherently superior only for those who have already decided in favour of a certain ideology, or who have accepted it without ever having examined its advantages and its limits.

All religions are good 'in principle' - but unfortunately this abstract Good has only rarely prevented their practitioners from behaving like bastards.