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?”
世界所有的前进动力都归功于不安分的人;幸福的人不可避免地把自己限制在古老的界限内。
"Sometimes, you have to be apart from people you love, but that doesn't make you love them any less. Sometimes, it makes you love them more."
The greatest discoveries in mathematics are those that unify seemingly unrelated ideas.