“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.”
King James Version (KJV)
2:10 A hard thing - A rare and singular blessing, which I cannot promise thee, which only God can give; and he gives it only when, and to whom he pleaseth. If thou seest - This sign he proposed, not without the direction of God's Spirit, that hereby he might engage him more earnestly to wait, and more fervently to pray for this mercy.