我们就像迷失了方向的旅行者；每个人都必须向路人寻求指引。
We are like travelers who have lost their way； we must ask， each one， for directions from a passerby.
最好的投资是那些能把小机会变成大机会的人。
要理解一个国家，你必须理解它的沉默。
The power of mathematics comes from its ability to abstract and generalize, turning specific problems into universal truths.
语言学习应该是一段快乐的旅程，而不是一项乏味的任务。
You can't control commodity prices, but you can control how you respond to them.
I think the best thing you can do is to be grateful for what you have.