Passage
For by thee I run upon a troop; And by my God do I leap over a wall.
For by thee I run upon a troop; And by my God do I leap over a wall.
Psalms 18:27 For thou wilt save the afflicted people; But the haughty eyes thou wilt bring down.
Psalms 18:28 For thou wilt light my lamp: Jehovah my God will lighten my darkness.
Psalms 18:29 For by thee I run upon a troop; And by my God do I leap over a wall.
Psalms 18:30 As for God, his way is perfect: The word of Jehovah is tried; He is a shield unto all them that take refuge in him.
Psalms 18:31 For who is God, save Jehovah? And who is a rock, besides our God,
The verse centers on "thee", "upon", "troop", "leap", "over", and "wall". It is saying that the verse draws attention to "thee" and "upon", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 28's "For thou wilt light my lamp Jehovah..." into verse 30's "As for God his way is perfect...", so "thee" and "upon" 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 "thee" and "upon" with trust shaped by these words, not by a vague optimism outside the passage.