nicolaism

In this way, he started Nicolaism, an antinomian heresy which believed that as long as they abstained from marriage, it was not a sin to exercise their sexual desires as they pleased.

Nicholas the Deacon - Nicolaism (also Nicholaism, Nicolationism, or Nicolaitanism) is a Christian heresy, first mentioned (twice) in the Book of Revelation of the New Testament, whose adherents were called Nicolaitans, Nicolaitanes, or Nicolaites.

The Emperor's choice, however, fell upon the thoroughly worldly Guido, known for his support of the practice of clerical marriage and concubinage, which was generally accepted in rural areas and which was now being given the name "nicolaism", recalling a passage in the Book of Revelation (2:6, 14-15).

The two century long coexistence of the Pontiff and the Empire (regnum et sacerdocium) was difficult and yielded the Investiture Controversy and several different ideological formulations (the theory of the two swords, Plenitutdo postestatis, Dictatus papae, condemnations of simony, and nicolaism).