Holy Spirit to the congregation." The writings of the early church fathers speak of the holy kiss, which they call "a sign of peace", which was already part of the Eucharistic liturgy, occurring after the Lord's Prayer in the Roman Rite and the rites directly derived from it. St. Augustine, for example, speaks of it in one of his Easter Sermons: Augustine's Sermon 227 is just one of several early Christian primary sources, both textual and iconographic (i.e., in works of art) providing clear evidence that the "kiss of peace" as practiced in the Christian liturgy was customarily exchanged for the first several centuries, not mouth to cheek, but mouth to mouth (note that men were separated from women during the liturgy) for, as the primary sources also show, this is how early Christians believed Christ and his followers exchanged their own kiss. For example, in his (), Latin priest-poet Sedulius condemns Judas and his betrayal of Christ with a kiss thus, "And leading that sacrilegious mob with its menacing swords and spikes, you press your mouth against his, and infuse your poison into his honey?" The kiss of peace was known in Greek from an early date as (, "peace", which became in Latin and peace in English). The source of the peace greeting is probably from the common Hebrew greeting ; and the greeting "Peace be with you" is similarly a translation of the Hebrew . In the Gospels, both greetings were used by Jesus – e.g. Luke 24:36; John 20:21, John 20:26. The Latin term translated as "sign of peace" is simply ("peace"), not ("sign of peace") nor ("kiss of peace"). So the invitation by the deacon, or in his absence by the priest, "Let us offer each other the sign of peace", is in Latin: ("Offer each other peace" or "Offer each other the peace"). From an early date, to guard against any abuse of this form of salutation, women and men were required to sit separately, and the kiss of peace was given only by women to women and by men to men, with closed mouths. The holy kiss was distinguished as a ritual only to be partaken of by baptized Christians, with catechumens and non-Christians not being greeted this way. Apostolic Tradition specified with regard to catechumens: "When they have prayed they shall not give the kiss of peace for their kiss is not