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at the University of Basel,
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before he got actually his degree.
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But he doesn't do it for too long. Right?
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He's only teaching for eight years in his life,
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and then he retreats
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and he sacrifices his life to scholarly activity--
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spends a lot of time in Italy
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and, if he's in Switzerland,
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in a small, beautiful spot,
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Sils Maria.
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He also meets in '73 Paul Ree,
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a German philosopher, who has a great deal of impact on him,