The true discovery of America is before us. The true fulfillment of our spirit, of our people, of our mighty and immortal land, is yet to come.
我们从地下开采的金属应该在人与人之间架起桥梁,而不是筑起围墙。
"El silencio puede ser la más elocuente de las respuestas."
The world is a stage, but the play is badly cast.
Modern quarry management requires geologists' eyes, engineers' hands, and poets' hearts.
A sustainable coal industry is possible if we commit to the right technologies.