The Importance of Explanatory Power in Theory

'If communism really can't be refuted, that's worse than being wrong. And therefore we embrace it as if it's true in the case of quantum mechanics,' he says. 'I'm too worried about refutations, and they shouldn't refutations aren't bad.' Theory starts off metaphysical but actually it is a scientific theory,. It's just that we don't yet have the instruments that allow us to test it... So it's practically metaphysical today, but in the future it'll get tested. Once we reach the right levels of knowledge and can build the instruments that are necessary for it'.