Even when their language is identical, there is an immeasurable gulf between them.

In our denials and assertions there are certain new factors, which at once make all such comparisons worthless.

The importance of these will by-and-by appear more clearly, but I shall give a brief account of them now.
The first of these factors is the existence of Christianity, and that vast and undoubted change in the world of which it has been at once the cause and the index.

It has done a work, and that work still remains: and we all feel the effects of it, whether we will or no.

Described in the most general way, that work has been this.