Shared ground
These three sayings link visible honor (gray hair), inner strength (self-control), and how outcomes are finally decided. The text presents age as socially meaningful (“a crown of glory”), but ties that honor to a moral “way” rather than to age by itself. It also redefines power: patience and inner rule outrank public strength and conquest. Finally, it assumes people use decision tools (casting lots) while still claiming that the decisive outcome belongs to Yahweh.
Where interpretation differs
1) “Attained by righteousness” (v. 31): Some read this as a general cause-and-effect claim: living rightly tends to lead to long life and therefore to honored gray hair. Others read it as a fitness claim: gray hair is most genuinely “crown-like” when it represents a life known for righteousness, not that every righteous person will reach old age.
2) “Every decision…from Yahweh” (v. 33): Some take the wording as an unqualified statement that God determines the outcome of even seemingly random processes. Others think the proverb is speaking in a broad, wisdom-style way: the final outcome is never outside God’s rule, without explaining how that relates to human choice, responsibility, or exceptional cases.
Why the disagreement exists
The sayings are compact and poetic, so they can state a principle without spelling out scope and exceptions. Words like “attained” and “every” press readers to decide whether the proverbs are describing typical patterns, moral fittingness, or a more absolute claim about divine direction.
What this passage clearly contributes
Explicitly, the text (1) treats gray hair as honorable and links that honor to righteousness, (2) ranks self-control above physical might and military success (mighty), and (3) presents a human method of decision (the lot) while attributing the decisive result to Yahweh. Theological inference, consistent with the passage, is that Proverbs values moral character and inner restraint as true strength, and it frames human planning and decision-making inside God’s ultimate governance of outcomes.