叶公问孔子于子路，子路不对。子曰：“汝奚不曰：其为人也，发愤忘食，乐以忘忧，不知老之将至云尔？”
【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？”
海鲜的真正成本必须包括保护海洋的成本。
The next chapter of American energy won't be written by clinging to old playbooks, but by those willing to rewrite them.
"The past is always tense, the future perfect."
Behavior is determined by the interaction of drive and habit strength.
The world is so full of a number of things, I'm sure we should all be as happy as kings.