the eucharistic liturgy follows St. Paul’s line of thought: “that we may be numbered among his members, in whose body and blood we communicate”.137 Let us listen for a moment to Theodore of Mopsuestia, in his second homily on the Mass, where he is giving a commentary simultaneously on the liturgical text and on the teaching of the First Epistle to the Corinthians: “When we are all fed on the same body of our Lord, we become the one and only body of Christ”, he says. St. Leo, with his usual forcefulness