Sayyiduna Abu Bakr bin Ayyash (may Allah be pleased with him) says: We went to Abu Husayn to visit him during his illness, and Asim was with us. Abu Husayn said to Asim: Do you remember any hadith that Qasim bin Mukhaimirah narrated to us? He said: Yes, he narrated from Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) that the Messenger of Allah (peace and blessings of Allah be upon him) said: "When a Muslim man falls ill, Allah Almighty says to the angels who record deeds: Continue to write for this servant the reward (of the good deeds) that he used to do in his state of health, until I grant him recovery."

It is narrated from Sayyidah Aisha (may Allah be pleased with her) that the Noble Prophet (peace and blessings of Allah be upon him) said: "When a believer falls ill, Allah, the Exalted, purifies him (of sins) just as a furnace removes impurities from iron."

Narrated from Sayyiduna Jabir bin Abdullah (may Allah be pleased with him) that the Messenger of Allah (peace and blessings of Allah be upon him) went to Umm Sa’ib or Umm Musayyib and said:“What is the matter with you? Why are you trembling?”She said:“It is fever; may Allah not bless it.”He (peace and blessings of Allah be upon him) said:“Do not curse fever, for it removes the sins of the children of Adam just as a bellows removes the impurities of iron.”

Sayyiduna Abu Sa'id and Abu Hurairah (may Allah be pleased with them) heard the Messenger of Allah (peace and blessings of Allah be upon him) say: "Whatever illness, fatigue, hardship, and sorrow reaches a Muslim, even if he is worried, because of it his sins are forgiven."

It is narrated from Sayyiduna Jabir bin Abdullah (may Allah be pleased with him) that the Messenger of Allah (peace and blessings of Allah be upon him) went to Umm Sa'ib or Umm Musayyib and said: "What is the matter with you? Why are you trembling?" She said: "It is fever, may Allah not bless it." The Prophet (peace and blessings of Allah be upon him) said: "Do not curse fever, for it removes the sins of the children of Adam just as a bellows removes the impurities of iron."

Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) narrates that the Messenger of Allah (peace and blessings be upon him) said: "When a person comes to visit a sick person, he should supplicate in these words: O Allah, grant Your servant healing, so that he may confront Your enemy or go to prayer for Your pleasure (in one narration: so that he may go to the funeral prayer)."

Narrated from Sayyiduna Anas bin Malik (may Allah be pleased with him) that the Noble Prophet (peace and blessings be upon him) said: "If anyone gets a fever, then for three nights at the time of suhoor, let him pour cold water over his body."

It is narrated from Sayyidah Aisha (may Allah be pleased with her) that the Messenger of Allah (peace and blessings be upon him) came to me while a woman was treating me or performing ruqyah on me. He (peace and blessings be upon him) said: "Treat her with the Book of Allah."

Hiyyah bin Habis Taymi narrates from his father that the Messenger of Allah (peace and blessings be upon him) said: "There is no bad omen in the owl, the evil eye is true, and the best omen is taking a good sign (optimism)."

It is narrated from Sayyiduna Muhammad bin Qais that it was said to Sayyiduna Abu Hurairah (may Allah be pleased with him): Did you hear the Messenger of Allah (peace and blessings be upon him) say: Omen is found in three things: the house, the horse, and the wife? He said: (If I answer in the affirmative, it would mean) I have attributed to the Messenger of Allah (peace and blessings be upon him) something which he did not say. However, I did hear the Messenger of Allah (peace and blessings be upon him) say: "The best omen is a good omen, and the evil eye is true."