The Council of Nicaea
very God of very God, begotten (γεννηθέντα), not made, being of one substance (ὁμοούσιον, consubstantialem) with the Father.
Source details
A.D. 325 · The Creed of Nicaea (325)
Checked word-for-word against Nicene and Post-Nicene Fathers, Series 2, Vol. 14 · 2026-07-17