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.
幸福不能被追求；它必须随之而来。
自己滔滔不绝而不愿意倾听他人，是贪婪的表现。
The world needs energy, and our job is to provide it responsibly.
