2 Kings 2:10
"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."
Cross References (ranked by relevance)
John 16:24
Hitherto have ye asked nothing in my name: ask, and ye shall receive, that your joy may be full.
2 Kings 2:12
And Elisha saw it, and he cried, My father, my father, the chariot of Israel, and the horsemen thereof. And he saw him no more: and he took hold of his own clothes, and rent them in two pieces.