For we both alike know that into the discussion of human affairs the question of justice enters only where the pressure of necessity is equal, and that the powerful exact what they can, and the weak grant what they must. — Thucydides Copy Share Image
It is in this mutual dependence of the functions and the aid which they reciprocally lend one another that are founded the laws which determine the relations of their organs and which possess a necessity equal to that of metaphysical… — Georges Cuvier Copy Share Image