I think goals should never be easy, they should force you to work, even if they are uncomfortable at the time.

"The world is full of magic things, patiently waiting for our senses to grow sharper."

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。

夜晚最黑暗时，星星最明亮。

So that morning in 1962 I told myself: Let everyone else call your idea crazy . . . just keep going. Don’t stop. Don’t even think about stopping until you get there, and don’t give much thought to where “there” is. Whatever comes, just don’t stop.

在怀疑时，克制自己。