The plowing — Even their civil or natural actions, which in themselves are lawful, are made sinful as they are managed by ungodly men, without any regard to the glory of God, which ought to be the end of all our actions.
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.