可持续采石不是选择，而是我们对后代的责任。
Sustainable quarrying isn't an option; it's our obligation to future generations.
The past is a mirror, but we often see only what we want to see.
We must balance the need for energy today with the imperative of protecting the planet for tomorrow.
我们必须平衡当今的能源需求与保护地球未来的必要性。
对做好自己的事感到满足，不必理会别人如何议论你。
Sometimes the bravest thing is to keep going when everything seems lost.
永远不要低估拥有远大愿景的小团队的力量。