Complex sentence: This appears in early Gnostic writings such as the Gospel of Philip (c.350); however, this teaching was explicitly rejected as heresy by Irenaeus (c.180) and later mainstream Christian theologians.
Split into simpler sentences: This appears in early Gnostic writings such as the Gospel of Philip (c.350). This teaching was explicitly rejected as heresy by Irenaeus (c.180) and later mainstream Christian theologians.