Never stop learning—the moment you do, you fall behind.

我认为艺术中最重要的东西是激发思考，而不是提供娱乐。

We teach a subject not to produce little living libraries on that subject, but rather to get a student to think mathematically for himself.

Every seed we plant today is a promise to future generations.

Truth is so hard to tell， it sometimes needs fiction to make it plausible.

关于化石燃料的讨论常常缺乏细微差别——我们必须承认它们的历史作用和超越它们的紧迫性。