He said to all of them, "Those who want to come with me must say no to the things they want, pick up their crosses every day, and follow me.
Those who want to save their lives will lose them. But those who lose their lives for me will save them.
What good does it do for people to win the whole world but lose their lives by destroying them?
If people are ashamed of me and what I say, the Son of Man will be ashamed of those people when he comes in the glory that he shares with the Father and the holy angels.
"I can guarantee this truth: Some people who are standing here will not die until they see the kingdom of God."
About eight days after he had said this, Jesus took Peter, John, and James with him and went up a mountain to pray.
While Jesus was praying, the appearance of his face changed, and his clothes became dazzling white.
Suddenly, both Moses and Elijah were talking with him.
They appeared in heavenly glory and were discussing Jesus' approaching death and what he was about to fulfill in Jerusalem.
Peter and the men with him were sleeping soundly. When they woke up, they saw Jesus' glory and the two men standing with him.
As Moses and Elijah were leaving him, Peter said to Jesus, "Teacher, it's good that we're here. Let's put up three tents--one for you, one for Moses, and one for Elijah." Peter didn't know what he was saying.