Theorems are of no value unless they are beautiful.
除非定理是美丽的，否则它们毫无价值。
Efficiency is doing things right; effectiveness is doing the right things.
我最害怕的莫过于共和国分裂成两个大党，每个党都在其领导人的领导下，相互对立地制定措施。
"No man really knows about other human beings. The best he can do is to suppose that they are like himself."
Time shall unfold what plaited cunning hides.
成功是一个糟糕的老师，它诱使聪明人认为他们不会失败。
Pity, or compassion, is an emotion equally natural to all men.