数学中最深刻的定理往往有最简单的表述。

Art should be a conversation, not a lecture.

Success is doing what you want to do, when you want, where you want, with whom you want, as much as you want.

A good detective listens more than she talks.

I've found time can heal most anything, and you just might find what you're looking for.

"The poem is a place where the unsayable can be said."

Never give up. Today is hard, tomorrow will be worse, but the day after tomorrow will be sunshine.

互联网是教育的强大工具，但它不能替代教师。

在数学中，提出问题的艺术必须比解决问题更有价值。