Or rather Robert held forth, and Langham kept him going by an occasional remark which acted like the prick of a spur.

The tutor's psychological curiosity was soon satisfied.

He declared to himself that the intellect had precious little to do with Elsmere's Christianity.

He had got hold of all the stock apologetic arguments, and used them, his companion admitted, with ability and ingenuity.

But they were merely the outworks of the citadel.