| Matthew Henry's Concise Commentary 121:1-8 The safety of the godly. - We must not rely upon men and means, instruments and second causes. Shall I depend upon the strength of the hills? upon princes and great men? No; my confidence is in God only. Or, we must lift up our eyes above the hills; we must look to God who makes all earthly things to us what they are. We must see all our help in God; from him we must expect it, in his own way and time. This psalm teaches us to comfort ourselves in the Lord, when difficulties and dangers are greatest. It is almighty wisdom that contrives, and almighty power that works the safety of those that put themselves under God's protection. He is a wakeful, watchful Keeper; he is never weary; he not only does not sleep, but he does not so much as slumber. Under this shade they may sit with delight and assurance. He is always near his people for their protection and refreshment. The right hand is the working hand; let them but turn to their duty, and they shall find God ready to give them success. He will take care that his people shall not fall. Thou shalt not be hurt, neither by the open assaults, nor by the secret attempts of thine enemies. The Lord shall prevent the evil thou fearest, and sanctify, remove, or lighten the evil thou feelest. He will preserve the soul, that it be not defiled by sin, and disturbed by affliction; he will preserve it from perishing eternally. He will keep thee in life and death; going out to thy labour in the morning of thy days, and coming home to thy rest when the evening of old age calls thee in. It is a protection for life. The Spirit, who is their Preserver and Comforter, shall abide with them for ever. Let us be found in our work, assured that the blessings promised in this psalm are ours.
Pulpit CommentaryVerse 3. - He will not suffer thy foot to be moved. The psalmist addresses himself with consolatory assurances. God will not allow any evil to approach him, so as to do him hurt. He that keepeth thee will not slumber. God does not sleep - his vigilance is unceasing (comp. Isaiah 27:3).
Gill's Exposition of the Entire BibleHe wilt not suffer thy foot to be moved,.... This is either an address of the psalmist to his own soul; or to any other good man, his friend and acquaintance, assuring of stability, and of final perseverance in grace to glory. The Lord keeps the feet of his saints from falling: he will not suffer them to be moved out of the spiritual estate in which they stand; nor off of the Foundation and Rock of ages, on which their feet are set, and their goings established; nor out of the house of God, where they are as pillars; nor out of his ways, where he upholds their goings; moved in some sense they may be, yet not "greatly moved"; their feet may be "almost" gone, and their steps "well nigh" slipped, and yet shall not fall finally and totally, or so as to perish; see Psalm 62:2; he that keepeth thee will not slumber; neither angels nor men are the keepers of the saints, but the Lord himself; he is the keeper of every individual saint, of every regenerate person, of everyone of his sheep, of every member of his church; he keeps them by his power, he preserves them by his grace, he holds them with his right hand; guides them by his counsel, keeps their feet from falling, and brings them safe to glory: and a watchful keeper he is, he does not so much as slumber; he keeps them night and day, lest any harm them, Isaiah 27:3. Gussetius reads the whole as a prayer, "let him not suffer thy foot", &c. "let not thy keeper slumber" (i); to which the answer follows. (i) "ne permittat--ne dormitet", Junius & Tremellius, Piscator; so Ainsworth.
Jamieson-Fausset-Brown Bible Commentary3, 4. His sleepless vigilance is added. to be moved—(Compare Ps 38:16; 66:9).
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