And thus it is that there is and always will be a rational metaphysic and a vital metaphysic, in perennial conflict with one another, the one setting out from the notion of cause, the other from the notion of substance.
Eta horrela badira, eta beti ere izango dira, metafisika arrazional bat eta beste bat, bizikorra, etengabeko gatazkan elkarren artean, bata kausaren noziotik eta bestea substantziarenetik abiaturik.