有时候，最艰难的战斗是在我们自己的脑海中进行的。

化学是连接微观世界和我们日常所见现实的桥梁。

我认为数学家更像艺术家，而不是科学家。

And that's a lot of the reason why we care so much about our careers and indeed start caring so much about material goods. You know, we're often told that we live in very materialistic times, that we're all greedy people. I don't think we are particularly materialistic. I think we live in a society which has simply pegged certain emotional rewards to the acquisition of material goods. It's not the material goods we want;

我们在能源领域面临的挑战不仅仅是技术性的；它们深深植根于人性。

外交是一门艺术，要耐心、智慧和灵活性。

作家必须有勇气说出别人不敢说的话。