The great advantage of old age is that you can be as rude as you like.

To wear your heart on your sleeve isn't a very good plan; you should wear it inside, where it functions best.

不要相信“万能”胶。

L-函数的算术是窥探数论灵魂的窗口。

良好设计的关键是使事情简单，但不过于简单。