——1912年在旧金山丽蝉戏院的演说

The spread of liberal democracy and the integration of the world economy have created a situation in which the major powers are no longer willing to go to war with one another.

"Don't be afraid to give up the good to go for the great."

世界上充满了显而易见的事情，却没有人注意到。

数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。