2 Kings 2:10-11

And he said, Thou hast asked a hard thing: {nevertheless}, if thou see me {when I am} taken from thee, it shall be so unto thee; but if not, it shall not be {so}. {Thou hast...: Heb. Thou hast done hard in asking} And it came to pass, as they still went on, and talked, that, behold, {there appeared} a chariot of fire, and horses of fire, and parted them both asunder; and Elijah went up by a whirlwind into heaven.