It seems a pity that psychology has destroyed all our knowledge of human nature. – G.K. Chesterton, London Observer, 9 December 1934

If my devils are to leave me, I am afraid my angels will take flight as well. – Rainer Maria Rilke, on leaving psychotherapy

Men will always be mad, and those who think they can cure them are the maddest of all. – Voltaire

If you cut a thing up, of course it will smell. Hence, nothing raises such an infernal stink, at last, as human psychology. – D.H. Lawrence, St.Mawr