不要哭泣；不要愤怒。去理解。

The only way to learn mathematics is to do mathematics.

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

A story is never finished; it only stops.

生活中最大的荣耀不在于从不跌倒，而在于每次跌倒后都能站起来。