Proverbs 21:4 (BSB)

Haughty eyes and a proud heart—the guides of the wicked—are sin.

From Proverbs 21. Also in the ESV.

Commentary on Proverbs 21:4

• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Proverbs 21:4: This may be taken as showing us, 1. The marks of a wicked man. He that has a high look and a proud heart, that carries himself insolently and scornfully towards both God and man, and that is always ploughing and plotting, designing and devising some mischief or other, is indeed a wicked man. The light of the wicked is sin.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Proverbs 21:4: An high look, and a proud heart,.... The former is a sign of the latter, and commonly go together, and are both abominable to the Lord; see Psa 101:5. A man that looks above others, and with disdain upon them, shows that pride reigns in him, and swells his mind with a vain opinion of himself; this may be observed in every self-righteous man; the...
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on Proverbs 21:4: high look--(Compare Margin; Psa 131:1). proud heart--or, "heart of breadth," one that is swollen (compare Psa 101:5). ploughing--better "lamp," a frequent figure for prosperity (Pro 20:20); hence joy or delight.
• Geneva Bible Notes (Reformed), Geneva Bible Study Notes on Proverbs 21:4: An high look, and a proud heart, [and] the plowing of the wicked, [is] sin. (b) That is, the thing by which he is guided or which he brings forth as the fruit of his work.