Dr. Possibly your mother, in her religious insanity, set fire to the house.

Better that the mainspring of this religious insanity is not wound all the way up.

The mainspring of a religious insanity had been wound tight and left ticking.

I must assume that they are fervently devoted to yet another new incarnation of their religious insanity.

Garrison offered his opinion that the 'poor deluded beings' were quite properly "laboring under religious insanity."

For years now, trying to impose rational explanations on the chaotic Jihad, Omnius had expressed his curiosity about religious insanity among humans.

He eventually descends into religious insanity, eventually leading to gory, drunken self-flagellation resulting in mortification.

Die Erscheinungen des religiösen Wahnsinns (The features of religious insanity), (1848)

Ein Beitrag zur Geschichte der religiösen Wirren der Gegenwart (Religious insanity, description of patient stories.

He told them about Sylvia Pittston, that avatar of religious insanity, and about the final apocalyptic slaughter, in which he, Roland the Gunslinger, had killed every man, woman, and child in town.