Chemistry... is like the maid occupied with daily civilisation; she is busy with fertilisers, medicines, glass, insecticides ... for she dispenses the recipes.
Jean-Jacques RousseauHe who has the base necessities of life should pay nothing; taxation on him who has a surplus may, if need be; extend to everything beyond necessities.
Jean-Jacques RousseauEach member of the community gives himself to it at the instant of its constitution, just as he actually is, himself and all his forces, including all goods in his possession.
Jean-Jacques Rousseau