"I couldn’t be in a play because plays are not real life and they are full of people doing things that don’t make sense."

The consequences of an act affect the probability of its occurring again.

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。