"Heaven cannot brook two suns, nor earth two masters."

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Narrative should flow as flows the brook down through the hills and the leafy woodlands...a brook that never goes straight for a minute, but goes and goes briskly, sometimes ungrammatically, and sometimes fetching a horseshoe of ¾ of a mile around and at the end of the circuit flowing within a yard of the path that it traversed an hour before; but always going and always following at least one law, always loyal to that law, the law of narrative, which has no law. Nothing to do but make the trip; the how of it is not important, so that the trip is made.

— Mark Twain