Sixth quotation (Heb 1:10-12), exhibiting the superior dignity of the Son as creator in contrast with the creature. Psa 102:26-28. The Psalm declares the eternity of Jahveh.
And - in the beginning (καὶ - κατ' ἀρχάς)
And connects what follows with unto the Son he saith, etc., Heb 1:8. Κατ' ἀρχὰς in the beginning, N.T.o. Often in Class., lxx only Psa 119:152. The more usual formula is ἐν ἀρχῇ or ἀπ' ἀρχῆς.
Hast laid the foundation (ἐθεμελίωσας)
Only here in Hebrews. In Paul, Eph 3:18; Col 1:23.