孤独并不是来自身边无人。感到孤独的真正原因是因为一个人无法与他人交流对其最要紧的感受。

"To be Irish is to know that in the end the world will break your heart."

心理学不仅要描述意识的事实，还要解释它们。

"To write is to confront the chaos of existence and impose some order upon it."

Strength does not come from physical capacity. It comes from an indomitable will.

我确信宇宙中充满了智慧生命。只是它们太聪明了，不会来这里。

如果你不能得到奇迹，那就成为一个奇迹。

The design of algorithms is both an art and a science.