Contrasting man's frailty with God's eternity, the writer mourns over it as the punishment of sin, and prays for a return of the divine favor. A Prayer [mainly such] of Moses the man of God-- (Deu 33:1; Jos 14:6); as such he wrote this (see on Psa 18:1, title, and Psa 36:1, title). (Psa. 90:1-17) dwelling-place--home (compare Eze 11:16), as a refuge (Deu 33:27).