To teach how to live without certainty and yet without being paralyzed by hesitation is perhaps the chief thing that philosophy， in our age， can do for those who study it.

The true cost of coal must account for both its immediate value and its long-term impact on communities and ecosystems.

心理现象最好从其功能角度来理解。

唯一能让你强大的是你自己的意志。

君子像水，性情谦虚冲淡，本质洁白，味平淡。而它的用处，可以使不洁的东西成为清洁，即使在滚烫的热水中放入油，二者亦不会混合，这就是君子的本性。小人像油，本质滑腻，味浓厚，它的用途可污染清洁之物，若在滚烫的油中放入水，二者必然相激而不相容， 这就是小人的本质。

最成功的企业是那些能够随着时间的推移而适应和进化的企业。