处理一个不自由的世界的唯一方法是变得如此绝对自由，以至于你的存在本身就是一种反叛。

煤炭不仅仅是一种商品，它是对美国未来的承诺。

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

Life is 10% what happens to you and 90% how you react to it.

我不在乎钱。我通过音乐赚钱，我为此感到非常自豪。

"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."