A ship in port is safe, but that's not what ships are built for.
I’m not afraid to be vulnerable, because that’s where strength comes from.
Psychology must be a purely descriptive science.
作战虽然讲究排兵布阵,但士兵的勇敢是其中的根本;丧葬虽然讲究礼节,但对亲人的哀思是其中的根本;一个人虽然很有学识,但思想道德、行为举止是其中的根本。
从理智的异议中寻找乐趣,因为只有尊重理智,才能比消极的服从带来更深刻的一致。
I don't want to be a champion only on the court, I want to be a champion in life.