Shared ground
Psalm 121:7 makes a direct promise with Yahweh as the active protector: “Yahweh will keep you.” The repeated “keep” (same verb used twice) stresses steady, ongoing guarding rather than a one-time rescue. The protection is personal (“you,” “your”), aimed at an individual traveler or worshiper, and it is described in comprehensive terms (“from all evil”).
The second line deepens the first: Yahweh keeps “your soul.” In plain terms, this points to the person’s life and self—who they are—rather than only outward safety. The movement is from threats described broadly as “evil” to the whole person.
Where interpretation differs
Some readers take “from all evil” to mean complete exemption from harm in every instance. Others read it as protection from every kind of evil, without claiming that no painful events will ever happen.
Some read “evil” mainly as moral evil (sin and spiritual danger). Others hear it as misfortune and harm (disaster, violence, sickness), and many take it as broad enough to include both.
Some take “soul” as mainly the inner life (the core self). Others take it as the whole person, including physical life—especially fitting in a travel setting.
Why the disagreement exists
The key terms are broad. “All” can be heard as “without exception” or “in every category.” “Evil” can mean wrongdoing, calamity, or both depending on context. “Soul” can point to inner life, physical life, or the whole person. Psalm 121’s setting (reassurance for a journey and for life) invites both immediate and wider readings.
What this passage clearly contributes
Explicitly, the verse claims Yahweh is the one who keeps the addressed person, and that this keeping is comprehensive (“all evil”) and personal (“your soul”). Theologically inferred from the repetition and wording, the verse presents divine protection as steady and whole-person care, not limited to one threat or one moment. It contributes a framework for talking about God’s guarding that includes both outward dangers and what is most essential about a person.