It is unsafe to take your reader for more of a fool than he is.
Art for art's sake makes no more sense than gin for gin's sake.
It is bad enough to know the past; it would be intolerable to know the future.
Just as the painter thinks with his brush and paints the novelist thinks with his story.
It's a funny thing about life; if you refuse to accept anything but the best, you very often get it.
You are not angry with people when you laugh at them. Humor teaches tolerance.