18A good tree cannot bring forth evil fruit, neither can a corrupt tree bring forth good fruit.
18 Verse 18. A good tree cannot bring forth evil fruit] Love to
God and man is the root of the good tree; and from this principle
all its fruit is found. To teach, as some have done, that a state
of salvation may be consistent with the greatest crimes, (such as
murder and adultery in David,) or that the righteous necessarily
sin in all their best works, is really to make the good tree bring
forth bad fruit, and to give the lie to the Author of eternal