学习数学的最佳方式就是动手做数学。
The best way to learn mathematics is to do mathematics.
There'll always be serendipity involved in discovery.
Let us try to teach generosity and altruism, because we are born selfish.
Happiness is not about getting what you want all the time. It’s about loving what you have and being grateful for it.
成功不是你赚了多少钱，而是你在人们生活中做出的改变。
To understand behavior, we must look at its purpose in the context of survival and adaptation.