君子有三种事应该加以警戒:年轻的时候,血气还没有固定,力戒贪恋女色;到了壮年时期,血气正旺盛,力戒逞强好斗;到了老年时期,血气已经衰弱,力戒贪得无厌。
世界是一个舞台,但角色分配得很糟糕。
We don't inherit the ocean from our ancestors—we borrow it from our children.
The more you learn, the more you know. The more you know, the more you forget. The more you forget, the less you know. So why bother to learn?