你无法改变过去，但可以改变过去的意义。

If you’re not willing to take risks, you’ll never create something truly remarkable.

I believe in second chances because I've been given one.

The real problem is not whether machines think but whether men do.

真正的挑战不仅仅是构建气候模型，而是解读它们告诉我们的信息。