自由始于无知结束之时。

"It's not about how much we have, but how much we enjoy, that makes happiness."

我经历过最寒冷的冬天是旧金山的夏天。

我们读的书和我们交的朋友一样重要。

We don't just produce energy, we produce opportunity.

过去并未死去，它甚至还未过去。