研究量子引力对于理解早期宇宙至关重要。

价格会被遗忘，但品质会被长久铭记。

你必须放下过去的自己，才能成为未来的自己。

"A story should have a beginning, a middle, and an end—but not necessarily in that order."

Democracy means simply the bludgeoning of the people by the people for the people.

The essence of causal inference is to go beyond the data and ask what would happen if we intervene.