John Gill - Exposition
John Gill
My son, if thine heart be wise,.... To that which is good; so as from it to understand in a spiritual and experimental manner things divine and heavenly; he may be said to have a wise heart who knows in some measure what his heart is, the wickedness, the original depravity and corruption, of it; the plague of his own heart; the weakness and inability of it to do that which is good; the...