„The best advice I have ever been given is to never give up if it is worth it. My favorite subject at school was physics…︁.“ This and more about Helmut Cölfen can be found on page 3013.

中文翻译：

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赫尔穆特·科尔芬（HelmutCölfen）

„我曾经得到的最好建议是，如果值得的话，永不放弃。我在学校最喜欢的科目是物理学……︁。有关HelmutCölfen的更多信息，请参见第3013页。