It [the physical world is a thing; not like space, which is a mere negation; nor like time, which is — Heaven knows what!


The Nature of the Physical World, Introduction (p. ix), The Macmillan Company. 1930


It [the physical world is a thing; not like space, which is a mere negation; nor like time, which is — Heaven knows what!

It [the physical world is a thing; not like space, which is a mere negation; nor like time, which is — Heaven knows what!

It [the physical world is a thing; not like space, which is a mere negation; nor like time, which is — Heaven knows what!

It [the physical world is a thing; not like space, which is a mere negation; nor like time, which is — Heaven knows what!