JESUS’ opening of a deaf man’s ear refers to the phrase from the Book of Isaiah about how the Messiah will be the one through whom “the ears of the deaf [will] be cleared.” What puts these two passages side-by-side in the readings is known as the lectionary. Each lectionary book organizes scripture readings according to the feasts and seasons of the church year. The Sunday lectionary contains three years’ worth of readings: Matthew’s gospel in Cycle A with Old Testament passages chosen to parallel its themes; Mark’s gospel in Cycle B—although Mark is so short that John’s gospel supplements the year; and Luke’s gospel in Cycle C. In between the Old Testament and gospel readings on Sundays, an additional New Testament passage is selected from a letter of Saint Paul or another apostle. During the Easter season a reading from the Acts of the Apostles or the Book of Revelation replaces the Old Testament reading. There’s also a daily lectionary that runs in a two-year cycle pairing gospel passages with continuous readings from Old or New Testament books. An additional lectionary has passages suitable for baptisms, weddings, funerals, and other occasions. Adapted from Questions Catholics Ask for VocationNetwork.org. See the original article for additional resources on this topic.