爱的半衰期是永恒的。
要求真，因为真，是这人世间完美之事的基本要素，也是所有善美的根源。
Train people well enough so they can leave, treat them well enough so they don't want to.
No man really knows about other human beings. The best he can do is to suppose that they are like himself.
The photograph is literally an emanation of the referent. From a real body, which was there, proceed radiations which ultimately touch me, who am here.
A mathematician's work is mostly a solitary pursuit, but it is also deeply collaborative.