Hebrews 1:5
For to which of the angels did he at any time say: Thou art my Son, this day have I begotten thee? And again: I will be to him a Father, and he shall be to me a Son?
Luke 1:32
He shall be great, and shall be called the Son of the Most High; and the Lord God will give to him the throne of David his father;
Luke 9:35
And there came a voice from the cloud, saying: This is my beloved Son; hear him.
John 3:35
The Father loves the Son, and has given all things into his hand.
2 Corinthians 6:18
and I will be to you a father, and you shall be to me sons and daughters, says the Lord Almighty.