Verse 12. Settest - Or, hast confirmed me in thy presence, under thine eye and special care: to minister unto thee, as a king over thy people. And in regard of his posterity, the kingdom was established for ever. 13. Amen - Signifies an hearty assent and approbation, and withal an earnest desire of the thing, to which it is annexed. And as the psalms are divided into five books, so each of them is closed with this word; the first here: the second, chap. lxxii, 19, the third, chap. lxxxix, 52, the fourth, chap. cvi, 48, the last in the end of chap. 1l, 6, the doubling of the word shews the fervency of his spirit, in this work of praising God.