For out of the abundance of the heart the mouth speaketh.
From the Gospel according to St. Matthew, XII.xxxiv (Vulgate), 12.34 (Douay-Rheims) and the Gospel according to St. Luke, VI.xlv (Vulgate), 6.45 (Douay-Rheims). Sometimes rendered without enim ('for').
A much more detailed analysis with detection of relationships or clauses can be found in our Sentence Analysis! Try it out!