Church is a solution looking for a problem.
Religion is a topical ointment for an internal imbalance that we've been able to cure with a pill for centuries.
Religion is an ointment pinning all claims to effectiveness on the placebo effect.
Informal recording of mental activity: Some of these thoughts reoccur in different forms and eventually coalesce into more formal writings, and some are more catharsis than exposition. (A.K.A. Extra Gravy)