The future of coal lies in clean and efficient utilization.

我们是我们反复做的事情。因此，卓越不是一种行为，而是一种习惯。

Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.

"A writer's greatest challenge is not to find the right words, but to find the truth within those words."

在我的一生中，我认识的智者......没有一个不是一直在读书的--没有，没有。你会惊讶于沃伦读了多少书--我读了多少书......他们认为我是一本伸出两条腿的书。