You have to love before you can be relentless.

发明是需求之母。

A writer must be stubborn, must have a vocation of sacrifice, and must accept that literature is a very cruel mistress.

【译文】 孔子说：“知道学习不如喜欢学习，喜欢学习不如以学习为快乐。”

因果革命是关于赋予机器像我们一样推理世界的能力。