Challenges are opportunities in disguise.

统计学的最终目标是从数据中提取信息。

The trouble ain't that there is too many fools, but that the lightning ain't distributed right.

Never stop learning because life never stops teaching.

成为国际主义者就是偿还我们对人类的债务。

我是个战士，我相信积极和努力的力量。