"In computer science, we are always trying to find the balance between expressiveness and tractability."

There is no solitude in the world like that of the big city.

只有死者真正了解我们。

我不觉得有义务相信，那位赋予我们感官、理性和智力的上帝，会希望我们放弃使用它们。

伦理学的任务不仅是理解世界，而且是改变世界。