If a man proves too clearly and convincingly to himself . . . that a tiger is an optical illusion - well, he will find out he is wrong. The tiger will himself intervene in the discussion, in a manner which will be in every sense conclusive.
On Destiny: "Our destiny exercises its influence over us even when, as yet, we have not learned its nature: it is our future that lays down the law of our today."
Human, All Too Human