Mark 9:9-10

And as they were coming down the mountain, he charged them to tell no one what they had seen, until the Son of Man had risen from the dead. So they kept the matter to themselves, questioning what this rising from the dead might mean.

Such glory! Yeshu surrounded by the very light and voice of God Himself! The three disciples agree to keep quiet, but they do discuss it between themselves.

The Jews believed that they would rise at the last day. However Yeshu speaks of himself rising from the dead at an earlier time than the last day.

It was this that they did not understand. What about the prophet Elijah? Doesn’t he first have to come again? (read on)