No one has seen God at any time. The one and only Son, who is in the bosom of the Father, he has declared him.
which is in the bosom of the Father, denotes unity of nature, and essence, in the Father and Son; their distinct personality; strong love, and affection between them; the Son's acquaintance with his Father's secrets; his being at that time, as the Son of God, in the bosom of his Father, when here on earth, as the son of man; and which qualified him to make the declaration of him: