Mark 9:1-2

WNT(i) 1 He went on to say, "In solemn truth I tell you that some of those who are standing here will certainly not taste death till they have seen the Kingdom of God already come in power." 2 Six days later, Jesus took with Him Peter, James, and John, and brought them alone, apart from the rest, up a high mountain; and in their presence His appearance underwent a change.