The qualities of each become more clear in contrast with those of the others.

By comparing together, therefore, the religions of mankind, to see wherein they agree and wherein they differ, we are able to perceive with greater accuracy what each is.

The first problem in Comparative Theology is therefore analytical, being to distinguish each religion from the rest.

We compare them to see wherein they agree and wherein they differ.

But the next problem in Comparative Theology is synthetical, and considers the adaptation of each system to every other, to determine its place, use, and value, in reference to universal or absolute religion.