Proverbs 11:5 (BSB)

The righteousness of the blameless directs their path, but the wicked fall by their own wickedness.

From Proverbs 11. Also in the ESV.

Commentary on Proverbs 11:5

• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Proverbs 11:5-6: These two verses are, in effect, the same, and both to the same purport with Pro 11:3. For the truths are here of such certainty and weight that they cannot be too often inculcated. Let us govern ourselves by these principles. I. That the ways of religion are plain and safe, and in them we may enjoy a holy security. A living principle of honesty and grace will be, 1.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Proverbs 11:5: The righteousness of the perfect shall direct his way,.... Or "make it plain" (f); that is, the righteousness of those who are perfect in Christ, complete in him, perfectly justified by his righteousness; that righteousness makes their way plain; it is the direct way, the highway, the pathway to eternal life and happiness; see Pro 12:28; but the wicked shall fall by his own wickedness...
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on Proverbs 11:5: direct--or, "make plain"; wicked ways are not plain (Pro 13:17).
• Keil & Delitzsch (Lutheran), Biblical Commentary on the Old Testament on Proverbs 11:5: Pro 11:5 5 The righteousness of the blameless smootheth his way, And by his own wickedness doth the wicked fall. With the תּמים (cf. Pro 1:12), formed after the passive, more than with תּם, is connected the idea of the perfected, but more in the negative sense of moral spotlessness than of moral perfection.