Passage
Many say, Who shall cause us to see good? Lift up upon us the light of thy countenance, O Jehovah.
Many say, Who shall cause us to see good? Lift up upon us the light of thy countenance, O Jehovah.
Psalms 4:4 Be moved with anger, and sin not; meditate in your own hearts upon your bed, and be still. Selah.
Psalms 4:5 Offer sacrifices of righteousness, and confide in Jehovah.
Psalms 4:6 Many say, Who shall cause us to see good? Lift up upon us the light of thy countenance, O Jehovah.
Psalms 4:7 Thou hast put joy in my heart, more than in the time that their corn and their new wine was in abundance.
Psalms 4:8 In peace will I both lay me down and sleep; for thou, Jehovah, alone makest me to dwell in safety.
The verse centers on "light", "shall", "cause", "good", "lift", "upon", "countenance", and "jehovah". It is saying that the verse draws attention to "light" and "shall", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 5's "Offer sacrifices of righteousness and confide in..." into verse 7's "Thou hast put joy in my heart...", so "light" and "shall" 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 "light" and "shall" with trust shaped by these words, not by a vague optimism outside the passage.