Psalm 121 is a treasure of promise for the suffering believer, whose “help comes from the LORD ” (verse 2). After personally celebrating Yahweh’s guardianship in verses 1–2, the psalmist turns to give assurance to others in verses 3–8. He declares the nature of God’s guarding role in verse 3–4: “He will not let your foot be moved; he who keeps you will not slumber. Behold, he who keeps Israel will neither slumber nor sleep.”

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