可持续性必须成为我们开采每一块石料的核心，否则我们什么也不该开采。
Sustainability must be at the core of every stone we extract, or we extract nothing at all.
总有人会持有一些愚蠢的信念，但你可以通过提高自己对这些人背后原因的理解，来降低这一现象的讨厌程度。
生活中唯一真正的失败是不忠于自己所知道的最好。
When one reads Bibles, one is less surprised at what the Deity knows than at what he doesn't know.
The tyranny of the magistrate is not less formidable than that of the multitude.