Cross reference
Acts 13:33
33 God hath in full completed this to us their children, having raised up Jesus, as also in the second Psalm it hath been written, My Son thou art -- I to-day have begotten thee.
Psalms 2:7
7 I declare concerning a statute: Jehovah said unto me, `My Son Thou `art', I to-day have brought thee forth.
Hebrews 5:5
5 so also the Christ did not glorify himself to become chief priest, but He who spake unto him: `My Son thou art, I to-day have begotten thee;'
Hebrews 1:5-6
5 For to which of the messengers said He ever, `My Son thou art -- I to-day have begotten thee?' and again, `I will be to him for a father, and he shall be to Me for a son?'
6 and when again He may bring in the first-born to the world, He saith, `And let them bow before him -- all messengers of God;'