伟大的敌人是优秀。
永远不要投资于那些你无法用蜡笔解释清楚的想法。
I'm not perfect, but I'm trying.
The more the division of labor and the application of machinery extend, the more does competition extend among the workers, the more do their wages shrink together.
阿拉伯人是一群只会吃驴粪的倒退民族。
孔子说:“温习旧知识时,能有新收获,就可以做老师了。”