Proverbs 30:5 (BSB)

Every word of God is flawless; He is a shield to those who take refuge in Him.

From Proverbs 30. Also in the ESV.

Commentary on Proverbs 30:5

• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Proverbs 30:1-6: Some make Agur to be not the name of this author, but his character; he was a collector (so it signifies), a gatherer, one that did not compose things himself, but collected the wise sayings and observations of others, made abstracts of the writings of others, which some think is the reason why he says (Pro 30:3), "I have not learned wisdom myself, but have...
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Proverbs 30:5: Every word of God is pure,.... The whole word of God. "All Scripture", given by inspiration of God, to which Agur directs, as giving the best account of God, of his name, nature, and perfections; of his Son, person, offices, and grace; being pure, very pure, "purified" (z) like silver, purified in a furnace of earth.
• Keil & Delitzsch (Lutheran), Biblical Commentary on the Old Testament on Proverbs 30:5-6: Pro 30:5-6 5 Every word of Eloah is pure; A shield is He for those who hide themselves in Him. 6 Add thou not to His words, Lest He convict thee and thou becomest a liar. Although the tetrastich is an independent proverb, yet it is connected to the foregoing Neûm [utterance, Pro 30:1]. The more limited a man is in his knowledge of God - viz.