You are never too old to set another goal or to dream a new dream.

And when his audience grew bored, he would spring into the air and do a back flip with a half twist.

The only way to learn mathematics is to do mathematics.

这看起来像是一项孤独的运动，但它需要一个团队。

侦探就是寻找那些不想被发现的东西的人。

艺术是上帝赐予人类的礼物。