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.
"You don't get to choose if you get hurt in this world, but you do have some say in who hurts you."
凡是现实(存在)的就是合理的，凡是合理(存在)的就是现实的。
表达人生短暂，我们都是匆匆过客的感慨。