Matthew 17:2-5 NIV

2 There he was transfigured before them. His face shone like the sun, and his clothes became as white as the light.
3 Just then there appeared before them Moses and Elijah, talking with Jesus.
4 Peter said to Jesus, "Lord, it is good for us to be here. If you wish, I will put up three shelters--one for you, one for Moses and one for Elijah."
5 While he was still speaking, a bright cloud enveloped them, and a voice from the cloud said, "This is my Son, whom I love; with him I am well pleased.1 Listen to him!"2

References for Matthew 17:5