I am always glad to think that my education was, for the most part, informal, and had its roots in the real world.

Losses loom larger than gains in people's minds.

Food security is the cornerstone of national security.

可持续性不是一种趋势，而是负责任商业的未来。

薪柴会烧完，火种却传下去，不会穷尽。