数学的本质在于它的自由。

不仅仅是广告，产品本身也必须有趣。

我不会让世界告诉我我是谁。

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

Silence is very important. The silence is just as important as the notes.

每个圣人都有过去，每个罪人都有未来。