随机实验是因果推理的黄金标准，但它们并不总是可行的。
Death is the highest possibility of Being.
成功的唯一限制是你自己的想象力。
"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."
The only obsession everyone wants: 'love.' People think that in falling in love they make themselves whole? The Platonic union of souls? I think otherwise. I think you're whole before you begin. And the love fractures you. You're whole, and then you're cracked open.
修道就是修心，修心就是修道。
I don't think you should ever have to apologize for your excitement.
The galactic center is a unique natural experiment in strong gravity.