能量守恒定律不仅仅是一个抽象原则；它是已被无数实验验证的自然法则。

"The great advantage of being a writer is that you can spy on people. You're there, listening to every word, but part of you is observing. Everything is useful to a writer, every scrap, even the longest and most boring of luncheon parties."

传统方法蕴含智慧，但可持续发展要求我们在必要时超越它们。

A Book of Verses underneath the Bough, A Jug of Wine, a Loaf of Bread—and Thou Beside me singing in the Wilderness— Oh, Wilderness were Paradise enow!

I believe that poetry is a way to express the inexpressible.