Abu Huraira told of hearing God's messenger say, “There should be no taking of omens, but the best type is the good omen."
He was asked what a good omen was and replied, “A good word which one of you hears."
Narrated Ma'qil b. Yasar reported God’s messenger as saying:
“Cupping on Tuesday the 17th of the month is a cure for a year’s illness.”
Harb b. Isma'il al-Kirmani, Ahmad’s companion, transmitted it, but his isnad is worthless. Thus it is stated in al-Muntaqa.
Razin transmitted something to the same effect on the authority of Abu Huraira.
He reported God's messenger as saying, “There is no infection, no evil omen, no hama*, and no serpent in a hungry belly*; but flee from one who has tubercular leprosy as you would from a lion."
Bukhari transmitted it.
* The word means an owl, or a night-bird which frequents graves. The pre-Islamic Arabs believed that when vengeance had not been taken for one who had been killed a bird called hama came forth from the dead and screeched demanding vengeance.
** The word is safar. The pre-Islaraic Arabs used the word as meaning a serpent which bites a man from within when he is hungry and causes the sense of stinging a man feels when hungry. It was also used of a serpent within the belly which was believed to cause a disease more contagious than mange or scab.
Narrated Nafi' said Ibn ‘Umar told him he was suffering from blood pressure and asked him to bring him a cupper, telling him to be sure to bring a young man and see that he brought neither an old man nor a boy. And Ibn ‘Umar said he had heard God’s messenger say:
“Cupping before food is best; it increases the intelligence, increases the memory and increases the memory of one who has a good memory. He who has himself cupped should choose Thursday, doing it in the name of God most high; but avoid cupping on Friday, Saturday and Sunday. Get yourselves cupped on Monday and Tuesday, but avoid cupping on Wednesday for it is the day when Job was smitten with affliction. Tubercular leprosy and leprosy make their appearance only on Wednesday or Tuesday night.”