Musannaf Ibn Abi Shaybah

Hazrat Salim narrates from his father that the Holy Prophet (peace and blessings be upon him) heard that Hazrat Umar was swearing by his father. The Prophet (peace and blessings be upon him) said: Surely Allah Almighty has forbidden you from swearing by your forefathers. Hazrat Umar said: By Allah, I have neither intentionally nor unintentionally sworn by my forefathers.

Hazrat Ibn Umar (may Allah be pleased with them both) narrates that during a journey, the Noble Prophet (peace and blessings be upon him) found Hazrat Umar swearing by his father. The Prophet (peace and blessings be upon him) said: Allah Almighty has forbidden you from swearing by your forefathers. Whoever has to swear, should swear by Allah or remain silent.

It is narrated from Hazrat Abdur Rahman bin Samurah that the Holy Prophet (peace and blessings be upon him) said: Do not swear by your forefathers and by the devils.

Hazrat Umar says that I spoke to a people about something and then I said, "No, by my father's oath." A person from behind me said: "Do not swear by your forefathers." When I turned towards him, I saw that it was the Messenger of Allah (peace and blessings be upon him). The Prophet (peace and blessings be upon him) said: "If a person swears by Jesus, he is ruined, even though Jesus is better and superior to your forefathers."

Hazrat Umar says that I swore by my father. From behind me, a person said, "Do not swear by your forefathers." When I turned towards him, it was the Noble Prophet, peace and blessings be upon him.

Hazrat Sa’d bin Ubaidah narrates that we were in a gathering (circle) with Hazrat Ibn Umar (may Allah be pleased with them). He heard a man swearing by his father. He threw a pebble at him and said: “This was the oath of Umar. The Holy Prophet (peace and blessings be upon him) forbade him from this and said: This is shirk (associating partners with Allah).”

It is narrated from Hazrat Hasan bin Muhammad that the Holy Prophet (peace and blessings be upon him) said: Whoever swears by anything other than Allah or other than Islam is not one of us.

Hazrat Abdullah says that I would prefer to swear a false oath by Allah rather than swear a true oath by anyone other than Allah.

Hasan narrates that Hazrat Umar passed by Hazrat Zubair while he was swearing by the Ka'bah. Hazrat Umar raised his whip over him and said: "Ka'bah! May your mother not exist, does it feed you and give you drink?"

Hazrat Ka'b said: Surely you people commit shirk. The people asked, O Abu Ishaq! How? He replied: People swear oaths such as "By my father's life," "By your father's life," "By my life and age," "By your life," "By the sanctity of the mosque," "By Islam," and other similar oaths (all of these are indeed shirk).

Hasan says that I found people such that if any of them was riding a mount, he would immediately spur his mount on before anyone could swear an oath by other than Allah. (That is, they were so fearful of swearing by other than Allah.)

Hasan says: Do not swear by your forefathers or by the false gods (Taghut).

Hazrat Qasim bin Mukhaymirah says that I do not care whether I swear by the life of a person or by the cross, (there is no difference between the two).

Ibrahim disliked that anyone should swear by life.

Hazrat Maymoon states that indeed Allah Almighty has distributed among His creation whatever He willed, and it is not permissible for any person to swear by other than Allah, and whoever swears by Allah should not swear a false oath.

Hazrat Umm Bakr bint Maswar narrates that Hazrat Maswar heard his son saying, "I have associated partners with Allah" or "I have disbelieved in Allah." He struck him and said, "Say Astaghfirullah (I seek forgiveness from Allah) and say Amantu Billah (I believe in Allah)," and he repeated this three times.

Hazrat Mus'ab bin Sa'd narrates from his father that I swore by Lat and 'Uzza. I came to the Holy Prophet (peace and blessings be upon him) and said, "I have sworn by Lat and 'Uzza." The Prophet (peace and blessings be upon him) said: Say "La ilaha illallah" three times, spit to your left three times, seek refuge with Allah from Satan, and do not say such a thing again.