Seven Citations from the Old Testament
1. "Thou art my Son, this day have I begotten Thee" Ps 2:7, Heb 1:5
Coeternality with the Father
Coronation of the Son as King

2. "I will be to Him a Father, and He shall be to Me a Son" 2 Sam 7:14, Heb 1:5
Coessentiality of the Son with the Father

3. "Let all the angels of God worship Him" Ps 97:7, Heb 1:6, Deut 32:43
Coequality with the Father in worship

4. "Who maketh His angels spirits, and His ministers a flame of fire" Ps 104:4, Heb 1:7
Creatorship of the Son

5. "Thy throne, O God, is for ever and ever: a sceptre of righteousness is the sceptre of Thy kingdom. Thou hast loved righteousness, and hated iniquity; therefore God, even Thy God, hath anointed Thee with the oil of gladness above Thy fellows" Ps 45:6-7, Heb 1:8-9
Character of the Son

6. "Thou, Lord, in the beginning hast laid the foundation of the earth; and the heavens are the works of Thine hands: they shall perish; but Thou remainest; and they all shall wax old as doth a garment; And as a vesture shalt Thou fold them up, and they shall be changed: but Thou art the same, and Thy years shall not fail" Ps 102:25-27, Heb 1:10-12
Changelessness of the Son

7. "Sit on My right hand, until I make Thine enemies Thy footstool" Ps 110:1, Heb 1:13
Conquest of the Son