Note 4 — Chapter VII · POST-CHRISTIAN GNOSTICS
Reading edition
Irenaeus, op. cit. Bk I. c. 23, p. 214, Harvey. Salmon in Dict. of Christian Biog. s.v. Nicolaitans, thinks this an idea peculiar to Irenaeus alone and not to be found in the older source from which he drew his account of the other Gnostics.