离散数学和连续数学之间的相互作用是一些最有趣的问题所在。
The most important part of teaching is to teach what it is to know.
Entrepreneurship should be like playing mahjong, always maintaining excitement and tension.
I have always been alone, but I have never been lonely.
追求知识是一段没有终点的旅程。
The most dangerous kind of waste is the waste we do not recognize.