CCC 2856
© Libreria Editrice Vaticana Source: vatican.va
"Then, after the prayer is over you say 'Amen,' which means 'So be it,' thus ratifying with our 'Amen' what is contained in the prayer that God has taught us." St. Cyril of Jerusalem, Catech. myst. 5,18: PG — Patrologia Graeca (Migne); cf. Cf. Lk 1:38.