"The essence of mathematics is not to make simple things complicated, but to make complicated things simple."
The difference in winning & losing is most often, not quitting.
诗歌是一面镜子,使扭曲的事物变得美丽。
渔业真正的领导力意味着把生态系统放在首位。
安全必须始终是采矿作业的首要任务。