可持续性是采石业的未来，我们必须立即行动。

In science, the credit goes to the person who convinces the world, not to the person to whom the idea first occurs.

I made my money by selling too soon.

I cannot fix on the hour, or the spot, or the look, or the words, which laid the foundation. It is too long ago. I was in the middle before I knew that I had begun.

我们开采的每一桶石油都必须以最小的环境影响负责任地进行。