So teach us to number our days, that we may apply our hearts unto wisdom.
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Augustine of Hippo
12. "Make Thy right hand so well known" (ver. 12). This is the reading of most of the Greek copies: not of some in Latin, which is thus, "Make Thy right hand well known to me." What is, "Thy right hand," but Thy Christ, of whom it is said, And to whom is the Arm of the Lord revealed? Make Him so well known, that Thy faithful may learn in Him to ask and to hope for those things rather of Thee as rewards of their faith, which do not appear in the Old Testament, but are revealed in the New: that they may not imagine that the happiness derived from earthly and temporal blessings is to be highly esteemed, desired, or loved, and thus their feet slip, when they see it in men who honour Thee not: that their steps may not give way, while they know not how to number Thine anger. Finally, in accordance with this prayer of the Man that is His, He has made His Christ so well known as to show by His sufferings that not these rewards which seem so highly prized in the Old Testament, where they are sh...
Thy right hand. Your Messias, to liberate and instruct us. (St. Augustine)
"Make us know how to number our days thus, and we shall come to thee with a wise heart. "(St. Jerome) (Ecclesiasticus vii. 40.) (Haydock)
Septuagint have read iminoc for yamenu, "our days. "(Amama)
Make us truly wise, (Sa) or acquainted with teachers of truth. (Bellarmine) (Menochius)