John Gill - Exposition
John Gill
He that trusteth in his own heart is a fool,.... Since the thoughts and imaginations of the thoughts of the heart are only evil, and that continually; they are vain and vague, sinful and corrupt; the affections are inordinate, the conscience defiled, the understanding darkened, and the will perverse; there is no good thing in it, nor any that comes out of it, but all the reverse; it is deceitful...