About eight days after he said this, he took Peter and John and James along and went up the mountain to pray.
In context
26If anyone is ashamed of me and of my words, the Son of Man will be ashamed of him when he comes in his glory and in the glory of the Father and of the holy angels. 27I tell you truly, there are some standing here who will not taste death before they see the kingdom of God.” 28About eight days after he said this, he took Peter and John and James along and went up the mountain to pray. 29As he prayed, the look of his face changed, and his clothing turned a blazing white. 30And two men were talking with him: they were Moses and Elijah,