边界不是一条线，而是一道伤口。

爱是教育的基础。

我不想坠入爱河，我只想沉入梦乡。

You have to believe in yourself when no one else does – that’s what makes you a winner.

Music is the bridge of the soul.

The use of a program to prove the 4-color theorem will not change mathematics - it merely demonstrates that the theorem, a challenge for a century, is probably not important to mathematics.