最重要的是保持承诺。

Leadership means making tough decisions today that will pay off decades from now.

In business, as in farming, patience and persistence always outlast short-term gains.

使生命成为可能的唯一事情是永久且无法忍受的不确定性；不知道接下来会发生什么。

煤炭的真实成本必须既考虑其即时价值，也考虑其对社区和生态系统的长期影响。