石材的真正价值在于我们如何改造它以供人类使用。

矿业的未来在于合作，而非竞争。

"Writing is a form of therapy; sometimes I wonder how all those who do not write, compose, or paint can manage to escape the madness, melancholia, the panic and fear which is inherent in a human situation."

我们必须为下一代留下健康的水域。