Hebrews 1:5
"For unto which of the angels said he at any time, 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?"
Cross References (ranked by relevance)
I will declare the decree: the LORD hath said unto me, Thou art my Son; this day have I begotten thee.
God hath fulfilled the same unto us their children, in that he hath raised up Jesus again; as it is also written in the second psalm, Thou art my Son, this day have I begotten thee.
So also Christ glorified not himself to be made an high priest; but he that said unto him, Thou art my Son, to day have I begotten thee.
I will be his father, and he shall be my son. If he commit iniquity, I will chasten him with the rod of men, and with the stripes of the children of men:
I will be his father, and he shall be my son: and I will not take my mercy away from him, as I took it from him that was before thee:
He shall build an house for my name; and he shall be my son, and I will be his father; and I will establish the throne of his kingdom over Israel for ever.
And he said unto me, Solomon thy son, he shall build my house and my courts: for I have chosen him to be my son, and I will be his father.