Go, and leave me.

Go, I say!" and the poor student, usually so mild and gall-less, stamped his foot in impotent rage.

Sibyll, weeping as if her heart would break, left him.
Then Adam Warner again paced to and fro restlessly, and again muttered to himself for several minutes.

At last he approached his Model,--the model of a mighty and stupendous invention, the fruit of no chimerical and visionary science; a great Promethean THING, that, once matured, would divide the Old World from the New, enter into all operations of Labour, animate all the future affairs, colour all the practical doctrines of active men.

He paused before it, and addressed it as if it heard and understood him: "My hair was dark, and my tread was firm, when, one night, a THOUGHT passed into my soul,--a thought to make Matter the gigantic slave of Mind.