Matthew 12:34 N-GNS
BIB: γὰρ τοῦ περισσεύματος τῆς καρδίας
NAS: speaks out of that which fills the heart.
KJV: out of the abundance of the heart
INT: indeed the abundance of the heart

Luke 6:45 N-GNS
BIB: ἐκ γὰρ περισσεύματος καρδίας λαλεῖ
NAS: speaks from that which fills his heart.
KJV: for of the abundance of the heart his
INT: out of indeed the abundance of his heart speaks