The religious idea, rightly received into the mind and reinforced by the suggestion of regular devotional exercises, always tends to realize itself.

"Receive His leaven," says William Penn, "and it will change thee, His medicine and it will cure thee.

He is as infallible as free; without money and with certainty.

Yield up the body, soul and spirit to Him that maketh all things new: new heaven and new earth, new love, new joy, new peace, new works, a new life and conversation."[101] This is fine literature, but it is more important to us to realize that it is also good psychology: and that here we are given the key to those amazing regenerations of character which are the romance and glory of the religious life.
Pascal's too celebrated saying, that if you will take holy water regularly you will presently believe, witnesses on another level to the same truth.
Fears have been expressed that, by such an application of the laws of suggestion to religious experience, we shall reduce religion itself to a mere favourable subjectivism, and identify faith with suggestibility.
But here the bearing of this series of facts on bodily health provides us with a useful analogy.

Bodily health is no illusion.