The only way to learn mathematics is to do mathematics.

It is remarkable that a science which began with the consideration of games of chance should have become the most important object of human knowledge.

不过是君主不把它［爱人利人］用在政事上,士大夫也不把它付诸行动罢了。

出自先秦《荀子·劝学》。定居一定要选择适当的邻里，交游一定要接近贤士。说明要加强道德修养，就应该注意周围环境。

I don't believe in the concept of a 'comfort zone.'

I'm interested in the way things are connected and how they influence each other.

I don't stop when I'm tired, I stop when I'm done.

自由是告诉人们他们不想听的事情的权利。

农民是我们粮食系统的支柱，他们的知识和奉献必须得到重视。