The root of the problem is the failure to distinguish between operational effectiveness and strategy.

The world is a comedy to those that think, a tragedy to those that feel.

The only way to do great work is to love what you do.

这不关乎金钱。这关乎你拥有的人才，你如何领导，以及你有多理解这一点。

煤炭使美国在世界范围内保持竞争力。

教育是改变我们与海洋互动方式的第一步。

过去总是紧张的，未来是完美的。