写作就是抵抗历史的抹去。
The problem with quantitative easing is that it works in practice but it doesn't work in theory.
我喜欢对一堵墙说话,世界上只有它不会反驳我。
Mathematics is not a spectator sport. You have to get involved.
金钱不是我的动力。我的激情驱使我前进。