The book was designed to be an answer to two questions: Is there such a thing as natural religion?

In many cases, they considered true, original Christianity to be the same as this original natural religion.

Our life then in this world is, to natural religion as much as to revealed, a period of probation.

Apart from that, it also shows how wide a gulf had opened up between this sort of natural religion and classical Christianity.

It was a stunning experience of the technological sublime, an evident natural religion.

The search for this sort of natural religion in fact threatened Christianity in two related ways.

It promotes natural religion and argues for the existence of a creator-God.

(p221) A true, original, natural religion, once obscured, is now to be laid clear again.

Around 1830, Newman developed a distinction between natural religion and revealed religion.

This led some to speak of a 'natural religion' implanted in the human heart and necessary to human well-being.