Unreason

The anti-rational, anti-justice and anti-humane Christian malignancy is rearing its head yet again as it leads the fight against homosexuality on behalf of the divine trinity of unreason, injustice and hate.

Source: tatoeba (400945)

c. 1566, John Knox, The Historie of the Reformation of the Church of Scotland, Book I, London: 1644, Another day the same Frier made another Sermon of the Abbot of Unreason, unto whom, and whose Laws, he compareth Prelats of that age; for they were subject to no Laws, no more than was the Abbot of Unreason.

Source: wiktionary

[…] it was long ere these scandalous and immoral sports could be abrogated;—the rude multitude continued attached to their favourite pastimes, and, both in England and Scotland, the mitre of the Catholic—the rochet of the reformed bishop—and the cloak and band of the Calvinistic divine—were, in turn, compelled to give place to those jocular personages, the Pope of Fools, the Boy-Bishop, and the Abbot of Unreason.

Source: wiktionary

What is called the great popular heart was awakened, that indefinable something which may be, according to circumstances, the highest reason or the most brutish unreason.

Source: wiktionary