Passage
Roll on Jehovah thy way, And trust upon Him, and He worketh,
Roll on Jehovah thy way, And trust upon Him, and He worketh,
Psalms 37:3 Trust in Jehovah, and do good, Dwell <FI>in<Fi> the land, and enjoy faithfulness,
Psalms 37:4 And delight thyself on Jehovah, And He giveth to thee the petitions of thy heart.
Psalms 37:5 Roll on Jehovah thy way, And trust upon Him, and He worketh,
Psalms 37:6 And hath brought out as light thy righteousness, And thy judgment as noon-day.
Psalms 37:7 Be silent for Jehovah, and stay thyself for Him, Do not fret because of him Who is making prosperous his way, Because of a man doing wicked devices.
The verse centers on "roll", "jehovah", "trust", "upon", and "worketh". It is saying that the verse draws attention to "roll" and "jehovah", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 4's "And delight thyself on Jehovah And He..." into verse 6's "And hath brought out as light thy...", so "roll" and "jehovah" 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 "roll" and "jehovah" with trust shaped by these words, not by a vague optimism outside the passage.