Shared ground
These verses present God’s protection as intentional and active. The text’s explicit claim is that God commands angels and that their assignment is to guard the protected person “in all your ways” (v.11). Protection is then pictured as close, physical support—angels “bear you up” so an ordinary hazard (a stone on the path) does not become injury (v.12).
The unit ends by intensifying the picture: the protected person not only avoids harm but “treads” (tread) and “tramples” predators (v.13). Whether read as literal or symbolic, the predators represent real threats that would normally overpower a traveler.
Where interpretation differs (only where needed)
One question is how broad “all your ways” is (v.11). Some take it to mean every action without exception; others understand it as the person’s normal paths and life-course—ordinary movement and faithful living—rather than reckless or self-chosen danger.
Another question is what the lion/cobra imagery (v.13) refers to. Some read the animals as literal dangers in the world. Others see them as poetic symbols for hostile forces (violent enemies, deadly threats, or any danger that strikes suddenly).
A third question is whether the promise is unconditional. Some read the lines as a blanket guarantee of safety. Others read them within the psalm’s wider setting, where the protected person is described as staying near God (earlier in Psalm 91), so the promise is tied to that relational posture.
Why the disagreement exists
The language is poetic and image-heavy, and it compresses big claims into short lines. Phrases like “all your ways” and images like trampling predators can be read either as comprehensive guarantees or as vivid ways of describing God’s real care without specifying every possible outcome.
What this passage clearly contributes
The passage explicitly links God’s protection with angelic agency (God commands; angels guard and lift). It portrays protection as both ordinary (not stumbling) and extreme (victory over deadly threats). It also frames safety as more than luck: the protective care is personal, attentive, and effective against dangers that would normally cause harm.