Mark 9:4-7

Then Elijah and Moses appeared to them, talking with Jesus. Peter said to Jesus, “Teacher, it is good that we are here. Let us make three tents—one for you, one for Moses, and one for Elijah.” Peter did not know what to say, because he and the others were so frightened. Then a cloud came and covered them, and a voice came from the cloud, saying, “This is my Son, whom I love. Listen to him!”