The Fathers
St. Clement of Rome, Letter to the Corinthians 46, 6 (c. 98 AD)
Do we not have one God, one Christ, and one Spirit of Grace poured out
upon us? And is there not one calling in Christ?
The Martyrdom of St. Polycarp 14, 3 (c. 155 - 157 AD)
In this way and for all things I do praise you, I do bless you, I do glorify
you through the eternal and heavenly High Priest Jesus Christ, your
beloved child: through whom be glory to you with Him and with the Holy
Spirit, both now and through ages yet to come. Amen.
St. Theophilus of Antioch, To Autolycus 2, 15 (181 AD)
The three days before the luminaries were created are types of the Trinity:
God, His Word, and His Wisdom.
St. Irenaeus of Lyons, Against Heresies 2, 28, 6 (c. 180 AD)
If any one, therefore says to us, How then was the Son produced by the
Father? we reply to him, that no man understands that production, or
generation, or calling, or revelation, or by whatever name one may
describe His generation, which is in fact altogether indescribable. Neither
Valentinus, nor Marcion, nor Saturninus, nor Basilides, nor angels, nor
archangels, nor principalities, nor powers (possess this knowledge), but the
Father only who begat, and the Son who was begotten. Since therefore His
generation is unspeakable, those who strive to set forth generations and