The more you know, the more you realize you don't know.

Sustainability in mining is not an option—it's a necessity for our future.

I don’t want to be defined by the game of basketball. I want to be defined by what I do off the court.

To love means to open ourselves to the negative as well as the positive - to grief, sorrow, and disappointment as well as to joy, fulfillment, and an intensity of consciousness we did not know was possible before.

我只是一个来自俄亥俄州阿克伦的小孩。

我们必须记住过去，才能更好地面对未来。