Sturheit ist konstante Beharrlichkeit unter Abschaltung des Gehirns.

DENKSCHATZ_MORE_FROM Gerhard Uhlenbruck ( 1929 - )

deutscher Aphoristiker und Immunologe

* 17.6. 1929 - Köln

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By Gerhard-Uhlenbruck-2009.jpg: Rana Düsel derivative work: Stepro (Gerhard-Uhlenbruck-2009.jpg) [CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons

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DENKSCHATZ_MORE_FROM Gerhard Uhlenbruck ( 1929 - )

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