A few days ago I quoted a great summary passage from Irenaeus, and the last part of the paragraph was especially striking:

He [God] it is whom the law proclaims, whom the prophets preach, whom Christ reveals, whom the apostles make known s to us, and in whom the Church believes. He is the Father of our Lord Jesus Christ: through His Word, who is His Son, through Him He is revealed and manifested to all to whom He is revealed; for those [only] know Him to whom the Son has revealed Him. But the Son, eternally co-existing with the Father, from of old, yea, from the beginning, always reveals the Father to Angels, Archangels, Powers, Virtues, and all to whom He wills that God should be revealed. (Against Heresies 2.30.9 [ANF])

Irenaeus is very clear on the deity of Christ. He is not a creation; he is “eternally co-existing with the Father”. Thus, the Council of Nicea did not invent the idea of the Trinity as some like to affirm. Irenaeus is very clear about the topic some 150 years before Nicea. As God himself he is able to reveal God to others, not just to humans but other cosmic beings. Of course, scripture is revelation from God, but Irenaeus gives us a good word that we should look first to Christ as the true revelation of God. Barth would be proud.

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