The LORD kills and brings to life; he brings down to Sheol and raises up.
We have here Hannah's thanksgiving, dictated, not only by the spirit of prayer, but by the spirit of prophecy. Her petition for the mercy she desired we had before (Sa1 1:11), and here we have her return of praise; in both out of the abundance of a heart deeply affected (in the former with her own wants, and in the latter with God's goodness) her mouth spoke.
Commenting on 1 Samuel 2:1-10
The Lord killeth, and maketh alive,.... Which is true of different persons; some he takes away by death, and others he preserves and continues in life; and of the same persons, whom God removes by death, and restores them to life again, of which there are instances both in the Old and New Testament; and be they which they will, both are of God, he...
he bringeth down to the grave, and bringeth up--that is, He reduces to the lowest state of degradation and misery, and restores to prosperity and happiness.