Coal lay in ledges under the ground since the Flood, until a laborer with pick and windlass brings it to the surface. We may well call it black diamonds. Every basket is power and civilization. For coal is a portable climate.
Don't trust children with edge tools. Don't trust man, great God, with more power than he has until he has learned to use that little better. What a hell we should make of the world if we could do what we would!
Steam becomes a mighty power only when it allows itself to be imprisoned in a strong little reservoir, produces tremendous motion and carries huge weights by permitting itself a tiny and measured outlet.
Some say no evil thing that walks by night, In fog or fire, by lake or moorish fen, Blue meagre hag, or stubborn unlaid ghost That breaks his magic chains at curfew time, No goblin, or swart fairy of the mine, Hath hurtful power o'er true virginity.