Investing in cleaner coal technologies is investing in our planet's future.

写作的行为是一种自我发现的行为。

插图不仅仅是图画；它们是故事的灵魂。

Collaboration is essential in science—no one does it alone.

局部和全局现象之间的相互作用是数论中反复出现的主题。

Strength comes from overcoming the things you thought you couldn't handle.

我不是为读者写作，我是反对读者写作。

从失败中学习比庆祝成功更有价值。