The future belongs to those who understand that doing more with less is compassionate, prosperous, and enduring.
People must feel that the natural world is important and valuable and beautiful and wonderful and an amazement and a pleasure.
凡事都有困难应考虑周详,行动上要顾虑缺失,想一想自己的行为,都有许多差错。
采矿技术的创新不是一种选择,而是我们对工人和环境应尽的义务。