“Then he took a cup, and after giving thanks he said, “Take this and divide it among yourselves; for I tell you that from now on I will not drink of the fruit of the vine until the kingdom of God comes.” Then he took a loaf of bread, and when he had given thanks, he broke it and gave it to them, saying, “This is my body, which is given for you. Do this in remembrance of me.” And he did the same with the cup after supper saying, “This cup that is poured out for you is the new covenant in my blood” (Luke 22: 17-20)
It is the “source and summit of Christian life.” For the Catholic Christian, the celebration of the Eucharist is more than a remembrance; it is the sacrament in which the Lord himself is contained, offered, and received, and by which the Church continually lives and grows.