Protopresbyter Alexander Schmemann, the late Dean of Saint Vladimir’s Seminary, celebrated the Divine Liturgy for the last time on Thanksgiving Day 1983. Two weeks later, on December 13, he fell asleep in the Lord. As is well known, Father Alexander had devoted his entire life to teaching, writing and preaching about the Eucharist—the Greek word eucharist means thanksgiving. At the conclusion of the Liturgy, Father Alexander took from his pocket a short written sermon, in the form of a prayer, which he proceeded to read. This was uncharacteristic of Father Alexander, since he never wrote his liturgical homilies, but delivered them extemporaneously. These were his words, which proved to be the last ever spoken by him from the ambo in church, yet which resound as clearly today, 35 years later, as they did the day they were spoken.
You can read the sermon here