For Hellenistic thought, self-consciousness is no longer, as it was for Hellenic thought, a power to conquer the world; it is a citadel providing a s… - R. G. Collingwood

The question what presuppositions underlie the 'physics' or natural science of a certain people at a certain time is a purely historical question as what kind of clothes they wear. And this is the question that metaphysicians have to answer.

I have already said that a thing which 'exists in a person's head' and nowhere else is alternatively called an imaginary thing. The actual making of the tune is therefore alternatively called the making of an imaginary tune. This is a case of creation, just as much as the making of a plan or a disturbance, and for the same reasons, which it would be tedious to repeat. Hence the making of a tune is an instance of imaginative creation. The same applies to the making of a poem, or a picture, or any other work of art.

Superstitions of all kinds break out on all hands even at this enlightened stage of the world's history, and there is no reason to think that they will soon become extinct.