Systeme De La Nature, Part 1: Ou Des Loix Du Monde Physique And Du Monde Moral (1781) is a philosophical work by Paul Henri Thiry Holbach. The book is written in French and was first published in 1770. The book is divided into two parts, the first of which deals with the laws of the physical world, while the second part deals with the laws of the moral world.In the first part of the book, Holbach argues that the universe is governed by natural laws,...