In the first reading and the gospel we can discern a pattern of call and action which applies to us all, as shown by the second reading.
The gospel — Matthew 17:1-9 — gives us Matthew’s account of the Transfiguration. In years B and C we get Mark’s and Luke’s telling. Briefly, the change in Jesus’ appearance gives a preview of his glorification after his resurrection, which is alluded to in the final verse of the pericope. The presence of Moses and Elijah can be seen as illustrating that the law (Moses) and the prophets (Elijah) bear witness to, point to Jesus. The voice from the cloud repeats the words from heaven at Jesus’ baptism— he is God’s beloved Son — validating Jesus’ teaching and calling us to obedience. The apostles’ reaction of fear is natural enough.
We have all, no doubt experienced moments in which we have thought, “I wish this could last forever.” For Peter and the others, for whom he is speaking, this is such a moment: it’s good to be here; three tents can make it last. But after the voice comes from the cloud, Jesus is alone. The moment has passed. They must rise and be on their way with him. As at many other points, he tells them not to be afraid. This was one of Pope St. John Paul II’s favorite lines. Whether it’s after the miraculous catch of fish, at his appearance in the upper room after his resurrection, the angelic annunciation appearance of the angel to Mary and Joseph, the hearers have a mission to which they must confidently go. Here, the apostles can’t be content to know Jesus’ glory. They must accompany him to Good Friday and after Easter fulfill the Great Commission to go into the whole world and proclaim the gospel.
The first reading — Genesis 12: 1-4a — presents the call of Abram (whose name later becomes Abraham). He is content in his home, with his relatives nearby. But God calls him from the condition which he could have enjoyed for the rest of his life. He must leave it behind and go to an unforeseeable future in an unknown country. In doing so, he will become the ancestor of a great nation which God will bless and which will itself bring blessing to the whole world. Abram obeys and becomes the ancestor of the Jews and the father in faith of Christians.
The responsorial psalm — verses of Psalm 33 with a refrain from verse 22 — encourages us to rely on God’s promised care.
The second reading — 2 Timothy 1:8b-10 — opens with an expression of the call that comes to all of us: “Bear your share of hardship for the gospel with the strength that comes from God.” More generally, we have been saved and called to holiness through God’s eternal plan brought to completion by Jesus. We can read “the appearance of out savior Christ Jesus” in two ways. Jesus appeared in his Incarnation and through is life here on Earth. In his appearance at the transfiguration Jesus manifests the glory of our immortality as well as his own.
We are called to holiness of life: living as God calls us. We do not know just what that will entail. Young people choose to pursue a career of one sort or another. Often it doesn’t turn out as expected. Older people may be called simply to continue on the path they are already following. Occasionally, some find themselves called to take an entirely new direction in their lives. The future may seem clearer for some of us, but it’s never entirely certain. There are always surprises, great or small. What is important, though is that we seek to do what God calls us to at every stage and in every moment. This will involve hardship, great or small. None of us is promised a perfectly happy life. But we keep alive the knowledge of the glory which will be ours after our resurrection, and this faith sustains us, as it sustained Abram and the apostles.