KJV: Bring forth therefore fruits worthy of repentance, and begin not to say within yourselves, We have Abraham to our father: for I say unto you, That God is able of these stones to raise up children unto Abraham.
NASB: "Therefore bear fruits in keeping with repentance, and do not begin to say to yourselves, 'We have Abraham for our father,' for I say to you that from these stones God is able to raise up children to Abraham.
KJV: And now also the axe is laid unto the root of the trees: every tree therefore which bringeth not forth good fruit is hewn down, and cast into the fire.
NASB: "Indeed the axe is already laid at the root of the trees; so every tree that does not bear good fruit is cut down and thrown into the fire."