Shared ground
Psalm 141:5 presents correction from a morally trustworthy person as something beneficial, even when it feels sharp. The speaker uses strong language (“strike”) but immediately interprets it as “kindness,” and he treats “reproof” as soothing “oil on the head.” These images put correction in the category of help, not harm.
The verse also holds together two commitments: openness to rebuke and continued opposition to wrongdoing. The speaker asks not to “refuse” correction, yet he says his prayer remains “always against evil deeds.” In the logic of the line, receiving critique does not mean joining the practices being criticized.
Where interpretation differs
One main question is what “strike” means. Some read it as physical hitting, allowed because the person is “righteous” and the outcome is “kindness.” Others read it as a vivid metaphor for blunt speech: a verbal “blow” that stings but heals.
A second question is what “oil on the head” emphasizes. Some hear comfort and refreshment (a soothing treatment). Others stress honor and welcome (being treated as someone worth restoring). Both fit the positive direction of the image.
A third question is how the last line connects: “Yet my prayer is always against evil deeds.” Some take it as a contrast with the previous lines (even with good correction, he remains set against evil). Others take it as the reason he welcomes correction (because he aims to resist evil actions, he wants the righteous person’s rebuke).
Why the disagreement exists
The verse is compact poetry with images that can be taken more than one way. Words like “strike” can describe physical action or intense speech, and “oil on the head” can signal care, honor, or restoration. Also, “Yet” can introduce either a contrast or an explanatory addition.
What this passage clearly contributes
Explicitly, the text claims the speaker invites the to “strike” and calls it ; he asks for reproof and compares it to oil; he asks not to refuse it; and he says his ongoing prayer is against “evil deeds.” Theologically inferred (but consistent with those claims), the verse portrays moral formation as involving community-based correction, and it separates accepting rebuke from compromising with wrongdoing.