The first step in liquidating a people is to erase its memory. Destroy its books, its culture, its history. Then have somebody write new books, manufacture a new culture, invent a new history. Before long the nation will begin to forget what it is and what it was. The world around it will forget even faster.

Bidders in an auction are like players in a game—the rules shape their strategies.

不要害怕犯错，害怕的是不学习。

拓扑绝缘体的美在于它们的鲁棒性；它们的表面态受到对称性和拓扑的保护，使它们对某些类型的无序免疫。

可持续性不是一种趋势；它是我们对下一代的责任。