1 sn The parallel phrases to which of the angels in vv. 5 and 13 show the unity of this series of quotations (vv. 5-14) in revealing the superiority of the Son over angels (v. 4).
2 sn A quotation from Ps 110:1.
3 sn A quotation from Prov 4:26. The phrase make straight paths for your feet is figurative for “stay on God’s paths.”