Luke’s report of the Last Supper and the meals that Jesus shared after his Resurrection unveil for us the significance of the Eucharist. Having shared a meal with his disciples, Jesus now uncovers for them the significance of what was written about him in the Scriptures. So, too, our celebration of the Mass is an encounter with Jesus, through the Word and the Sacrament of the Eucharist. As Jesus commissions his disciples to be witnesses to what Scriptures foretold, our celebration of the Eucharist commissions us. Like the disciples, we are sent to announce the good news of Jesus’ forgiveness of sins.