File off the serial numbers, change the body lines a bit, give it a new paint job, switch it over the state line, and it’s yours!—that’s the secret o… - Robert A. Heinlein

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File off the serial numbers, change the body lines a bit, give it a new paint job, switch it over the state line, and it’s yours!—that’s the secret of literary success. Editors always claim to be looking for new stories but they don’t buy them; they buy “mixture as before.” Because the cash customers want to be entertained, not amazed, not instructed, not frightened.