Origin of the Eucharist the "Didache", "1 Clement" and Ignatius of Antioch provide glimpses of what Christians were doing in their eucharists. Later sources, Tertullian and the "Apostolic Tradition", offer some details from around the year 200. Once the Church "went public" after the conversion of Constantine the Great in the second decade of the fourth century, it was clear that the Eucharist was established as a central part of Christian life. Contemporary scholars debate whether Jesus meant to institute a ritual at his Last Supper; whether the Last Supper was an actual historical event in any way related to the undisputed early "Lord's
Christian ethics the Ten Commandments often figure prominently in Christian ethics. "The Prophets ground their appeals for right conduct in God's demand for righteousness." On the other hand, "It is not... true to say that for the OT writers righteousness is "defined" by what God does; i.e., an act is not made righteous by the fact that God does it. Also noted as ethical guidelines adhered to by Old Testament figures is "maintenance of the "family"", "safeguarding of the family "property"", and "maintenance of the community". Much of Christian ethics derives from Biblical scripture and Christians have always considered the Bible profitable