I don't think about age. People who tell me I'm too old to do something, I just ignore them.
我不考虑年龄。那些告诉我我太老了不能做某事的人,我只是忽略他们。
才能不足的人计谋多,见识不够的人事情多,威仪不足则使人怨怒多,诚信不够则言语多,勇气不足则辛劳多,明细不够则多察查,事理不足则多辩论,情分不够则多礼仪。
Thinking is the hardest work there is, which is probably the reason why so few engage in it.
浅陋的人,不能和他谈论深奥的见解;愚蠢的人,不能和他谋划有智慧的事。井底之蛙,不能和它谈论东海的快乐。
The past is never dead. It's not even past.
The only thing more painful than being an active forgetter is to be an inert rememberer.
数学理论的真正价值在于它能够连接看似无关的想法。