The knowledge of the circumstances of which we must make use never exists in concentrated or integrated form, but solely as the dispersed bits of incomplete and frequently contradictory knowledge which all the separate individuals possess.

在追求真理的过程中，没有捷径，只有不懈的知识追求。

创造就是活两次。

如果一个人不完全愿意随时离职，就不适合担任公职......