自私基因理论并不是关于日常意义上的自私的理论。它是关于行为进化的理论。

The discovery of topological insulators has opened up a new frontier in condensed matter physics, where the interplay between topology and symmetry leads to novel quantum states of matter.

You are someone I will never forget.

Não sou nada. Nunca serei nada. Não posso querer ser nada. À parte isso, tenho em mim todos os sonhos do mundo.

波函数不是描述单个系统，而是描述系统的集合。

别让你的梦想只是梦想。

雇佣许多人去做一件复杂的事，往往是错误的。数量永远不如质量 (三个臭皮匠不一定比一个诸葛亮强)，人多降低效率，增加成本。

People who treat other people as less than human must not be surprised when the bread they have cast on the waters comes floating back to them, poisoned.