【译文】 叶公问子路：孔子是怎样的人，子路不回答。孔子说：“你怎么不说：他这个人啊，发愤学习就忘记吃饭，高兴起来就忘记了忧愁，不知道快要变老了等等？”

Global food security begins with local soil security.

大脑不是刺激的被动接受者，而是知觉的主动组织者

History is not just what happened, but what we remember and how we remember it.

In the world of trading, emotions are your worst enemy.

In mathematics, you don't understand things. You just get used to them.