The boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends, and where the other begins?

"The poet is the priest of the invisible."

这些人很少不是死于自己的所长，所以说∶事业达到顶峰就难以持久。 

We need to understand the brain to build better AI.

We are not doing e-commerce; we are doing social e-commerce.

Curiosity is the driving force behind every great scientific breakthrough.