使意念沉稳，任何事理都能通达；有志发愤图强，任何难事都能成功。

"A person is, among all else, a material thing, easily torn and not easily mended."

Every forest began with a single seed, just like every great enterprise.

I don’t play for the crowd, I play for myself.

我认为数学之所以有价值，是因为它具有这种令人难以置信的结构，你可以探索和发现。