Passage
He will not suffer thy foot to be moved: he that keepeth thee will not slumber.
He will not suffer thy foot to be moved: he that keepeth thee will not slumber.
Psalms 121:1 I will lift up mine eyes unto the hills, from whence cometh my help.
Psalms 121:2 My help cometh from the LORD, which made heaven and earth.
Psalms 121:3 He will not suffer thy foot to be moved: he that keepeth thee will not slumber.
Psalms 121:4 Behold, he that keepeth Israel shall neither slumber nor sleep.
Psalms 121:5 The LORD is thy keeper: the LORD is thy shade upon thy right hand.
The verse centers on "suffer", "foot", "moved", "keepeth", "thee", and "slumber". It is saying that the verse draws attention to "suffer" and "foot", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 2's "My help cometh from the LORD which..." into verse 4's "Behold he that keepeth Israel shall neither...", so "suffer" and "foot" belong inside that flow. In Psalms context, the local focus is worship, trust, the LORD's kingship, and covenant mercy.
A plain takeaway is to answer the verse's own emphasis on "suffer" and "foot" with trust shaped by these words, not by a vague optimism outside the passage.