 
			Everyone sits in the prison of his own ideas; he must burst it open, and that in his youth, and so try to test his ideas on reality.
Quote authenticity
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Observed sources:
| 2017 October 27 | 
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			Everyone sits in the prison of his own ideas; he must burst it open, and that in his youth, and so try to test his ideas on reality.
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| 2017 October 27 | 
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