Sustainability is not just about protecting the environment, it's about creating a system that works for everyone.

领导力意味着做出今天艰难的决定，这将使后代受益。

War is the province of danger and therefore courage above all things is the first quality of a warrior.

"The truth is rarely pure and never simple."

有时最深刻的发现来自于提出最简单的问题。