"Institutions are functional when they promote a delicate balance between what people can do for themselves and what tools at the service of anonymous institutions can do for them," Illich writes in Tools for Conviviality.
“当机构在人们可以为自己做的事情和匿名机构服务的工具可以为他们做的事情之间取得微妙的平衡时，机构就可以发挥作用，”伊利奇在“欢乐工具”中写道。