Luke 9

27 But I say unto you of a truth, There are some of those standing here who shall not taste death until they shall have seen the kingdom of God.

28 And it came to pass after these words, about eight days, that taking Peter and John and James he went up into a mountain to pray. 29 And as he prayed the fashion of his countenance became different and his raiment white and effulgent. 30 And lo, two men talked with him, who were Moses and Elias, 31 who, appearing in glory, spoke of his departure which he was about to accomplish in Jerusalem.