Everyone therefore who confesses me before men, him I will also confess before my Father who is in heaven.
"I tell you, everyone who confesses me before men, him will the Son of Man also confess before the angels of God;
that if you will confess with your mouth that Jesus is Lord, and believe in your heart that God raised him from the dead, you will be saved.
and that every tongue should confess that Jesus Christ is Lord, to the glory of God the Father.
1 John 2:23
Whoever denies the Son, the same doesn't have the Father. He who confesses the Son has the Father also.
1 John 4:15
Whoever confesses that Jesus is the Son of God, God remains in him, and he in God.
Simon Peter answered, "You are the Christ, the Son of the living God."
Nathanael answered him, "Rabbi, you are the Son of God! You are King of Israel!"
"Come, see a man who told me everything that I did. Can this be the Christ?"
We have come to believe and know that you are the Christ, the Son of the living God."
She said to him, "Yes, Lord. I have come to believe that you are the Christ, God's Son, he who comes into the world."
Thomas answered him, "My Lord and my God!"