Keep your heart with all diligence; for out of it are the issues of life.
All Commentaries on Proverbs 4:23 Go To Proverbs 4
George Leo Haydock
AD 1849
From it: As the heart is the principal part of the body, so the will is the chief power of the soul, from which good or evil proceeds. (Worthington)
A clean heart gives life, a corrupt one, death, Matthew xv. 11, 19.