No man has seen God at any time; the only begotten Son, who is in the bosom of the Father, he has declared him.
All Commentaries on John 1:18 Go To John 1
Methodius of Olympus
AD 311
Let us then also sing the like song, and raise the hymn to the Holy Father, glorifying in the Spirit Jesus, who is in His bosom.
Therefore God alone is celebrated, as the unbegotten, independent, and unwearied nature; being incorporeal, and therefore invisible; for "no man hath seen God."