Sustainable quarrying means listening to the land as intently as we listen to shareholders.

对于好建议，唯一能做的就是传递它。它对自己从来没用。

The future belongs to those who can balance profitability with environmental responsibility.

科学不仅仅是关于发现，也是关于应用知识来改善人类生活。

Psychology should illuminate how we cope with our environment.

我喜欢去工作。这不是一件苦差事，而是一种乐趣。

I'm a great believer in luck, and I find the harder I work the more I have of it.