Resource development must balance economic benefits and ecological protection to achieve sustainable development.

——1998年3月4日接受外界采访

True sustainability means leaving the land better than we found it for future generations.

理性的公共使用是弥合道德与政治之间鸿沟的唯一途径。

Simplicity is the master key to financial success.

幸福就是能够不带恐惧地认识自己。