We are all of us made by what we have lost as much as by what we have gained.
永远不要停止学习,因为世界永远不会停止变化。
【译文】 孔子说:“我十五岁立志于学习,三十岁有所建树,四十岁不困惑,五十理解自然规律,六十明辨是非,七十随心所欲,不违规。”