Teddy Roosevelt: “The mineral wealth of the country, the coal, iron, oil, gas, and the like, does not reproduce itself, and therefore is…”

“The mineral wealth of the country, the coal, iron, oil, gas, and the like, does not reproduce itself, and therefore is certain to be exhausted ultimately; and wastefulness in dealing with it to-day means that our descendants will feel the exhaustion a generation or two before they otherwise would.”