"I have been watching and drawing the surface of Mars. It is wonderfully full of detail. There is certainly no question about there being mountains and large greatly elevated plateaus."

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There are only four types of officer. First, there are the lazy, stupid ones. Leave them alone, they do no harm…Second, there are the hard- working, intelligent ones. They make excellent staff officers, ensuring that every detail is properly considered. Third, there are the hard- working, stupid ones. These people are a menace and must be fired at once. They create irrelevant work for everybody. Finally, there are the intelligent, lazy ones. They are suited for the highest office.

— Erich von Manstein