"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."

"When you are young, you think you can leave and never look back. But you always do."

Humans are predictably irrational in systematic ways.

人为某样东西实际支付的成本至少是标价的两倍，因为买来后设置、学习、维护、修理，以及最后处置，也需要耗费精力、时间和钱。不是所有的实际成本都在价签上。实际成本是标价的2倍。

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。

你的雨无法落下是因为我。