可持续发展的关键在于通过教育和创新不断改善人力资本。

The melancholy science from which I make this offering to my friend relates to a region that from time immemorial was regarded as the true field of philosophy, but which, since the latter's conversion into method, has lapsed into intellectual neglect, sententious whimsy, and finally oblivion.

爱是唯一能将敌人转化为朋友的力量。

You must be the change you wish to see in the world.

依附小人的人必定是小人，依附君子的人不一定就是君子！这识人之明，太重要了！并且选择朋友要谨慎，不能仅凭表面判断！

唯一能让你成为领导者的是你的行动。