出自汉·桓宽《盐铁论·险固》。则，就。有所准备就能先发制人，没有准备就只能受制于人，处处被动挨打。这句话言做事处世“有备无患”的重要性。

"I am not young enough to know everything."

自由不过是一个变得更好的机会。

做数学就是与宇宙对话，寻找我们甚至可能还不知道如何提出的问题的答案。

我是变革的催化剂……作为一个局外人，你不可能在30多年的时间里取得成功而不在周围留下一定的伤痕。

"The colony is the place where the project of a new humanity is to be tested, where the dream of a world without borders is to be realized, where the dream of a world without races is to be realized, where the dream of a world without nations is to be realized, where the dream of a world without classes is to be realized, where the dream of a world without genders is to be realized."