It is frequently the tragedy of the great artist, as it is of the great scientist, that he frightens the ordinary man.
Because politics rests on an irreducible measure of coercion, it can never become a perfect realm of perfect love and justice.
Science has sometimes been said to be opposed to faith, and inconsistent with it. But all science, in fact, rests on a basis of faith, for it assumes the permanence and uniformity of natural laws - a thing which can never be demonstrated.