After Jacob wrestled with God in Genesis 32:
This was a theophany of God, a physical manifestation of God.
Jesus declared in John 1:
The uncreated Son of God has seen the uncreated God.
1 Timothy 6:
No one can see the incorporeal essence of God. God is not a created being but we are. We do not have the ability to see the uncreated form of God.
God was seen in the O.T. It was the Father who was not seen.
John 1:18
No one has ever seen God, but God the One and Only, who is at the Father's side, has made him known
.
John 5:37
And the Father who sent me has himself testified concerning me.
You have never heard his voice nor seen his form
John 6:46
No one has seen the Father except the one who is from God; only he has seen the Father.
Colossians 1:15
He is the image of
the invisible God, the firstborn over all creation.
1 Timothy 1:17
17 Now to the King eternal, immortal,
invisible, the only God, be honor and glory for ever and ever. Amen.
1 Timothy 6:13-16
I charge you 14 to keep this command without spot or blame until the appearing of our Lord Jesus Christ, 15 which God will bring about in his own time
— God, the blessed and only Ruler, the King of kings and Lord of lords, 16 who alone is immortal and
who lives in unapproachable light, whom no one has seen or can see. To him be honor and might forever. Amen.
1 John 4:12
12
No one has ever seen God; but if we love one another, God lives in us and his love is made complete in us.
hope this helps !!!