Notes on The Holy Gospel of Jesus Christ, According to St. Matthew (Author Bishop Richard Challoner (ed.))
18:20 There am I in the midst of them: This is understood of such assemblies only as are gathered in the name and authority of Christ; and in unity of the church of Christ. St. Cyprian, De Unitate Ecclesiae.
Original Douay-Rheims from Project Gutenberg - Massive cleanup of OCR problems and editing done locally.