Luke 9:29-31

Young's Literal Translation

²⁹ and it came to pass, in his praying, the appearance of his face became altered, and his garment white -- sparkling.

³⁰ And lo, two men were speaking together with him, who were Moses and Elijah,

³¹ who having appeared in glory, spake of his outgoing that he was about to fulfil in Jerusalem,