He lived on the bank of a mighty river, broad and deep, which was always silently rolling on to a vast undiscovered ocean. It had rolled on, ever since the world began. It had changed its course sometimes, and turned into new channels, leaving its old ways dry and barren; but it had ever been upon the flow, and ever was to flow until Time should be no more. Against its strong, unfathomable stream, nothing made head. No living creature, no flower, no leaf, no particle of animate or inanimate existence, ever strayed back from the undiscovered ocean. The tide of the river set resistlessly towards it; and the tide never stopped, any more than the earth stops in its circling round the sun. He lived in a busy place, and he worked