v. 4. An high look and a proud heart, literally, "haughtiness of eyes and pompousness of heart," and the plowing of the wicked, either the light, the prosperity, or the whole business, all that the ungodly do, is sin, and therefore makes them guilty in the eyes of the Lord.
Related Commentaries of Proverbs 21:4
Proverbs 21:4
4 An high look, and a proud heart, and the plowing of the wicked, is sin.