人们改变了，却忘了告诉对方。
People change and forget to tell each other.
The past is a foreign country; they do things differently there.
The greater the obstacle, the more glory in overcoming it.
唯一能让你成为冠军的是你的决心。
I think that the thing that makes mathematics worthwhile is the fact that it has this incredible structure that you can explore and discover.
The principle of asceticism never was， nor ever can be， consistently pursued by any living creature.
禁欲主义原则从来没有被任何生物一贯坚持过，也永远不会被如此坚持。
所有商品的交换价值随着生产难度的增加而上升。
最好的故事是那些萦绕在你心头的故事。