"I don't believe in happy endings, but I do believe in happy travels, because ultimately, you die at a very young age, or you live long enough to watch your friends die."
我不相信幸福的结局，但我相信幸福的旅程，因为最终，你要么在很年轻的时候就死去，要么活得足够长，看着你的朋友们死去。
The work of the philosopher consists in assembling reminders for a particular purpose.
Some people are busy dying, others are busy living.
——署名公告〈关于实行党纪的命令〉，提醒党员遵守党纪，1924年3月18日
学习数学的最好方法就是去做数学。
"The mind evolves to meet practical demands."