The test of a theory is its ...

The test of a theory is its ability to cope with all the relevant phenomena, not its a priori 'reasonableness'. The latter would have proved a poor guide in the development of science, which often makes progress by its encounter with the totally unexpected and initially extremely puzzling.
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 John Polkinghorne

Quotes from the same author

God didn't produce a ready-made world. The Creator has done something cleverer than this, making a world able to make itself.
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 John Polkinghorne
Mathematics is the abstract key which turns the lock of the physical universe.
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 John Polkinghorne
The rational transparency and beauty of the universe are surely too remarkable to be treated as just happy accidents.
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 John Polkinghorne
Science cannot tell theology how to construct a doctrine of creation, but you can't construct a doctrine of creation without taking account of the age of the universe and the evolutionary character of cosmic history.
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 John Polkinghorne
Well, it's because I gladly acknowledge some ideas that are part of process theology, but which I think are not tied to all the details of process thought, and are very illuminating and helpful.
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 John Polkinghorne