"You can't do anything about the length of your life, but you can do something about its width and depth."
和颜悦色,善意待人,就会亲如兄弟;恶声恶气,粗暴待人,比使用兵器更加伤人。管子的这些话对当今的社交活动、公共关系和人际交往仍有重要的借鉴意义。