Deut 32:43

32:43 Rejoice. The Septuagint (Greek Old Testament) and one of the Dead Sea Scrolls contain a longer version of this phrase (text note). This longer version is quoted in Heb. 1:6.

he avenges the blood of his children. This triumphal Song of Moses is echoed at the consummation of human history (Rev. 19:2).