Shared ground
Psalm 111:10 closes the psalm by turning praise into a summary claim about wisdom. The verse explicitly says that “the fear of Yahweh” is where wisdom begins, and it links “good understanding” with actually doing what God requires. It then returns to the psalm’s main theme: praise that lasts.
Two points are especially clear in the wording. First, wisdom is not presented as merely being smart; it starts with a serious, reverent stance toward Yahweh (fear). Second, understanding is not treated as only talk or knowledge; it is recognized in obedient practice (“those who do his work”).
Where interpretation differs (only where needed)
Two phrases invite more than one reasonable reading.
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“Fear of Yahweh”: Some take “fear” mainly as awe-filled reverence and humility before God. Others hear a stronger note of dread in view of God’s authority to judge. Both readings still point to taking God with full seriousness, not treating him casually.
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“His praise endures forever”: Some read this as people’s praise of Yahweh continuing through generations. Others read it as Yahweh’s praiseworthiness never running out—he remains worthy of praise at all times. Either way, the line grounds lasting praise in God’s enduring character and works, which the psalm has just celebrated.
Why the disagreement exists
The Hebrew words allow a range of nuance. “Fear” can overlap reverence and trembling, depending on context. “Beginning” can mean a starting point or a foundational principle. And “his praise” can refer either to the ongoing act of praising him or to the objective reality that he deserves praise.
What this passage clearly contributes
Explicitly, the verse claims: (1) reverent fear of Yahweh is the entry point of wisdom; (2) those who do what Yahweh calls for show “good understanding”; (3) Yahweh’s praise endures forever (Psalms 111:10).
By inference (based on how the lines work together), the psalm presents worship, obedience, and wisdom as connected: praise is not isolated admiration, and wisdom is not detached theory. The closing line also matches a wider biblical wisdom refrain (compare Proverbs 1:7), but Psalm 111:10 states it here as the fitting conclusion to a psalm about God’s lasting works and reliability.