文学不是用来解决问题的，它是用来呈现问题的。

In mathematics, the art of proposing a question must be held of higher value than solving it.

编写错误的程序要比理解正确的程序容易。

You are never too old to set another goal or to dream a new dream.

I think the world is in a state where we need to hear the truth.

跨越国界和学科的合作是应对全球健康挑战的唯一途径。