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.
The only limits in life are those you impose on yourself.
"To write is to rewrite."
释义：脸上没有愤怒的表情是对他人的尊重，嘴里不说愤怒的话会散发出美好的气息。心中没有愤怒是无价的宝藏，这种心态是永恒不变的真理。
Pleasures， then， and the avoidance of pains， are the ends that the legislator has in view.
The most dangerous phrase in the language is, 'We've always done it this way.'
Every poem is a love poem.