Success is not final, failure is not fatal: It is the courage to continue that counts.

The interplay between local and global phenomena is a recurring theme in number theory.

皮革工艺的艺术是过去与未来之间的对话。

A long habit of not thinking a thing wrong gives it a superficial appearance of being right.

艺术是一种爆炸，而爆炸本身就是艺术。