Aslam said, "'Umar said to me, 'If I send you to a man, do not tell him why I sent you to him. If you do, Shaytan will prepare a lie for him in that.'"  

قَالَ لِي عُمَرُ إِذَا أَرْسَلْتُكَ إِلَى رَجُلٍ فَلاَ تُخْبِرْهُ بِمَا أَرْسَلْتُكَ إِلَيْهِ فَإِنَّ الشَّيْطَانَ يُعِدُّ لَهُ كِذْبَةً عِنْدَ ذَلِكَ