True luxury is leather that honors both people and the planet.

Every mark on the paper is a political act.

I paid no attention to the territorial boundaries of academic disciplines and I just grabbed all the big ideas that I could.

用谦虚培养自己的品质，用修德提高自己的思想，用仁爱对待天下万物，用道德教诲子孙后代。

社会结构的连续性取决于文化从一代到下一代的传递。

Never forget what you are, for surely the world will not. Make it your strength. Then it can never be your weakness. Armor yourself in it, and it will never be used to hurt you. 

翻译：说明自然资源是天生的，而人类通过工艺将其开发利用。