The mother-child relationship is paradoxical and, in a sense, tragic. It requires the most intense love on the mother's side, yet this very love must help the child grow away from the mother, and to become fully independent.

永远在学习。世界在不断变化，你需要跟上。

物理学的创新往往来自于以新的方式看待老问题。

极度夸张的语言是极度虚伪的社会的反映，而暴力的语言是社会暴行的前驱。