这是最好的时代，也是最坏的时代；这是智慧的时代，也是愚蠢的时代；这是信仰的时代，也是怀疑的时代；这是光明的季节，也是黑暗的季节；这是希望的春天，也是绝望的冬天；我们什么都有，也什么都没有；我们正走向天堂之路，也正走向地狱之门。

I was a truck driver in LA, going to City College, and I tried to sign up for a class in ceramics, but it was full. So I signed up for architecture. It was an accident.

常识告诉我们，一个试图征服我们的国家是所有国家中最不适合保卫我们的。

When will you ever make me proud?

Sustainability is the cornerstone of modern business—without it, we build on sand.

The concept of a black hole firewall challenges our understanding of quantum mechanics and general relativity.

天赋不是天才， 而且不是天才的人再怎么努力也成不了天才。要么就做一代名家要么干脆不做。

能源的未来在于平衡当今的需求与未来的责任。

Never be afraid of the moments--thus sings the voice of the everlasting.

The world is indeed full of peril, and in it there are many dark places; but still there is much that is fair, and though in all lands love is now mingled with grief, it grows perhaps the greater.