Proverbs 12:25 - Ellicott's Commentary On The Whole Bible

Heaviness in the heart of man maketh it stoop. — But, as this is not favourable to the spiritual life, we have warnings against excessive anxiety (Matthew 6:34), and exhortations to cast all our care upon God (1 Peter 5:7; Psalms 37:5) as a religious duty, that trusting in Him, and so having from Him the “peace which the world cannot give,” our hearts may be “set to obey” His commandments.