What I claim is to live to the full the contradiction of my time, which may well make sarcasm the condition of truth.

世间之事，有的可以做，有的不可以做，明知不可为而为之，是愚蠢的行为。

The footsteps of Nature are to be traced, not only in her ordinary course, but when she deviates from it in her most extravagant excursions.

学习是企业的进步，没有学习就没有成长。

译文：认识是实践的开始，实践是认识的完成。圣人之学只有一个功夫，知和行不能分成两件事。