Angels were endowed with the capacity to think, reason, and form attitudes. Their function was and is to be God's messengers and ministers to His creation.
God has communicated tirelessly with humanity through men and angels. The first chapters of Hebrews displays Christ's superiority over even the angels.
The Jewish converts to the Way, although having had the benefit of Messianic prophecies, did not recognize the powerful significance of Psalm 8.
In Book Five of the Psalms, Psalms 113-118 (sometimes termed the Hallel) are to be considered one continuous Psalm of praise, associated with the holy days.