"History is that certainty produced at the point where the imperfections of memory meet the inadequacies of documentation."

WTO的未来取决于规则与权力之间的平衡。

发散级数是魔鬼的发明，基于它们的任何证明都是一种耻辱。

The only limits you have are the ones you set for yourself.

数学的本质在于它的自由。