Q: I would like to ask about the Hadith mentioned by the author of the book (Riyadh Al-Tawhid), which says: It is related on the authority of Ibn Al-`Abbas (may Allah be pleased with him and his father) that he said: "We were with the Messenger of Allah (peace be upon him) in the house of one of Al-Ansar (Helpers, inhabitants of Madinah who supported the Prophet) among a group of people when someone called out, 'O people of the house, shall I come in? For you need something from me.' The Messenger of Allah (peace be upon him) said, 'Do you know who is the caller?' They said, 'Allah and His Messenger know best.' The Messenger of Allah (peace be upon him) said, 'This is Iblis (Satan), may Allah curse him.' `Umar ibn Al-Khattab (may Allah be pleased with him) said, 'O Messenger of Allah, will you allow me to kill him?' The Messenger (peace be upon him) said, 'Wait, O `Umar! Do you not know that he (Satan) is one of those given respite to a specified day? Open the door for him as he is ordered, just understand what he will say and listen to him.' When they opened, they found a one-eyed old man..."