The word morality, if we met it in the Bible, would surprise us as much as the word telephone or motor car.

Bourgeois morality is largely a system of making cheap virtues a cloak for expensive vices.

Those who admire modern civilization usually identify it with the steam engine and the electric telegraph.

My religious convictions and scientific views cannot at present be more specifically defined than as those of a believer in creative revolution. I desire that no public monument or work of art or inscription or sermon or ritual service commemorating me shall suggest that I accepted the tenets peculiar to any established church or denomination nor take the form of a cross or any other instrument of torture or symbol of blood sacrifice.

Every doctor will allow a colleague to decimate a whole countryside sooner than violate the bond of professional etiquette by giving him away.

Nothing remains beautiful and interesting except thought, because the thought is the life.

Virtue is insufficient temptation.