"It is easy to be seen as either a genius or a crank. If you have a Ph.D., at least you somewhat lower the chances that you will be seen as a crank."

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I am something of a crank about sleep, for if I get seven and a quarter hours instead of eight I feel afflicted and drag myself around, although there's nothing really wrong with me. It's just another idea. That's how it is with my ideas; they seem to get strong while I weaken.

— Saul Bellow