To write is to resist the forces of forgetting.

The only philosophy which can be responsibly practiced in face of despair is the attempt to contemplate all things as they would present themselves from the standpoint of redemption.

当我们自由行动时，为了行动本身而不是为了其他动机，我们学会变得比我们原来更多。

In the end, we only regret the chances we didn’t take.

量子力学和广义相对论之间的相互作用是现代物理学中最深刻的谜题之一，解决它可能需要我们彻底重新思考对宇宙的理解。