“ To observe people in conflict is a necessary part of a child's education. It helps him to understand and accept his own occasional hostilities and to realize that differing opinions need not imply an absence of love. 观察冲突中的人们是孩子教育的一个必要部分。它帮助他理解和接受自己偶尔的敌意,并认识到不同的意见不一定意味着缺乏爱。 Milton R. Sapirstein 米尔顿·R·萨皮尔斯坦