Translation of the verse 13 from Surah Yusuf : Number of verses 111 - - page 236 - Part 12.
He [Ya'qub (Jacob)] said: "Truly, it saddens me that you should take him away. I fear lest a wolf should devour him, while you are careless of him."
[Jacob] said, "Indeed, it saddens me that you should take him, and I fear that a wolf would eat him while you are of him unaware."
(12:13) The father replied, "It troubles me that you should take him away with you, for I fear lest a wolf should eat him up, when you are off your guard."