Despite having learned under the same tutelage, however, Irenaeus ’ friend Florinus lapsed into the teachings of Valentinus, the most prominent leader of the Gnostic movement.
Akan tetapi, kendati belajar di bawah bimbingan yang sama, Florinus, teman Ireneus, beralih kepada ajaran Valentinus, pemimpin paling terkemuka gerakan Gnostik.