文化的功能观点坚持这样的原则：在每一种文明类型中，每一种习俗、物质对象、思想和信仰都履行着某种重要功能，完成某种任务，代表着一个运作整体中不可或缺的部分。

Effective leaders know how to listen to others' opinions and learn from them.

荒野不在乎你的过去。它只在乎你此刻的行动。

Systems have sub-systems and sub-systems have sub- systems and so on ad infinitum - which is why we're always starting over.

艺术家必须是自由的囚徒。