Every great literature has always been allegorical - allegorical of some view of the whole universe. The 'Iliad' is only great because all life is a battle, the 'Odyssey' because all life is a journey, the Book of Job because all life is a riddle.
Your next-door neighbor is not a man; he is an environment. He is the barking of a dog; he is the noise of a piano; he is a dispute about a party wall; he is drains that are worse than yours, or roses that are better than yours.
I would rather a boy learnt in the roughest school the courage to hit a politician, or gained in the hardest school the learning to refute him - rather than that he should gain in the most enlightened school the cunning to copy him.
This is the perpetual and pitiful tragedy of the practical man in practical affairs. He always begins with a flourish of contempt for what he calls theorizing and what people who can do it call thinking. He will not wait for logic-that is, in the most exact sense, he will not listen to reason. It will therefore appear to him an idle and ineffectual proceeding to say that there is a reason for his present failure. Nevertheless, it may be well to say it, and to try and make it clear even to him.
I said to him, "Shall I tell you where the men are who believe most in themselves? For I can tell you. I know of men who believe in themselves more colossally than Napoleon or Caesar. I know where flames the fixed star of certainty and success. I can guide you to the thrones of the Super-men. The men who really believe in themselves are all in lunatic asylums.
We ought to be interested in that darkest and most real part of a man in which dwell not the vices that he does not display, but the virtues that he cannot.
To mix science up with philosophy is only to produce a philosophy that has lost all its ideal value and a science that has lost all its practical value. It is for my private physician to tell me whether this or that food will kill me. It is for my private philosopher to tell me whether I ought to be killed.