其实世事并无好坏，全看你们如何去想。
There is nothing either good or bad, but thinking makes it so.
Labor is the only source of wealth.
We change our behavior when the pain of staying the same becomes greater than the pain of changing.
Man will not merely endure: he will prevail.
想让小孩子在旅行中表现良好，可以准备一袋他们喜欢的糖果，当他/她不乖时，就向窗外扔掉一块糖。
The study of automorphic representations is a journey into the hidden patterns of mathematics.