“In this manner, in early days, were formed those vast and prodigious layers of coal, which an ever – increasing consumption must utterly use up in about three centuries more, if people do not find some more economic light than gas, and some cheaper motive power than steam. All.”

“In this manner, in early days, were formed those vast and prodigious layers of coal, which an ever – increasing consumption must utterly use up in about three centuries more, if people do not find some more economic light than gas, and some cheaper motive power than steam. All.”

— Jules Verne