11. "Thy words have I hid within my heart, that I may not sin against Thee" (ver. 11). He at once sought the Divine aid, lest the words of God might be hidden without fruit in his heart, unless works of righteousness followed. For after saying this, he added, "Blessed art Thou, O Lord, teach me Thy righteousnesses." (ver. 12). "Teach me," he saith, as they learn who do them; not as they who merely remember them, that they may have somewhat to speak of. Why then doth he say, "Teach me Thy righteousnesses," save because he wisheth to learn them by deeds, not by speaking or retaining them in his memory? Since then, as it is read in another Psalm, "He shall give blessing, who gave the law;" therefore, "Blessed art Thou, O Lord," he saith, "O teach me Thy righteousness." For because I have hidden Thy words in my heart, that I may not sin against Thee, Thou hast given a law; give also the blessing of Thy grace, that by doing right I may learn what Thou by teaching hast commanded. ...
Justifications. He considers himself as placed at the feet of his divine Master. (Calmet)
Though just, he wished to increase in virtue, Apocalypse xxii. (Worthington)
