40. The Dependence of Science on Metaphysics
Modern science ought not to mock at metaphysics, for it was a metaphysician – Liebnitz – who first gave science her working idea of matter. The “substance,” said he, is essentially “force” “resistance.” Borrowing this notion from metaphysics, science devotes herself to the study of the behavior of this force. And it is clear that she could not have discovered it for herself.