The world is full of people whose notion of a satisfactory future is, in fact, a return to the idealised past.

量子引力问题不仅是物理学的问题，也是科学哲学的问题。

I’m not perfect, and I don’t claim to be.

我们的经验往往证实了一个长期持有的观点：在一生中的几个关键时刻，准备好迅速且大规模地采取行动，去做一些简单且符合逻辑的事情，常常会显著提升一生的财务成果。

建筑师必须是城市肌体的治愈者。

The limits of my language mean the limits of my world.

Every mental state exists for a purpose; to understand it, we must ask what function it serves in the broader system of behavior.