The key ingredients of happiness could not be material or aesthetic, but must always stubbornly psychological.

在数学中，旅程和目的地同样重要。

Once we realize that imperfect understanding is the human condition, there is no shame in being wrong, only in failing to correct our mistakes.

理解黑洞就是理解宇宙的结构本身。

The best way to cheer yourself up is to try to cheer somebody else up.

"The best drivers make the difference when the conditions are at their worst."

最好的想法往往来自倾听那些最接近问题的人。