8-11. The covenant was often ratified.
word—answering to "covenant" [Ps 105:9] in the parallel clause, namely, the word of promise, which, according to Ps 105:10, He set forth for an inviolable law.
commanded—or, "ordained" (Ps 68:28).
to a thousand generations—perpetually. A verbal allusion to De 7:9 (compare Ex 20:6).