ex abundantia enim cordis os loquitur
For out of the abundance of the heart the mouth speaketh.
Notes
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').