Hazrat e Sy'yeduna Anas say Marvi hai k Byshak Shaitan apni chonch Aadmi k dil per rakhay huwe hai,jab aadmi Allah ko yaad karta hai,Shaitan Dabak jata hai,Yani Bhag jata hai aur jab Aadmi(Zikr say)Gaflat karta hai(Bhul jata hai)to Shaitan us ka Dil Apnay Mun main ly laita hai.
(Sha'ab ul iman,Alhadees 540,jild 1,Page 402)