Luke 9:26-29

26For whosoever shall have been ashamed of me and of my words, of him will the Son of man be ashamed when he shall come in his glory, and [in that] of the Father, and of the holy angels.

27But 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 1God.

28And 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.

29And as he prayed the fashion of his countenance became different and his raiment white [and] effulgent.