The Prophet صلی ‌اللہ ‌علیہ ‌وسلم said: If anyone swears a false oath in confinement, he should make his seat in Hell on account of his (act).

The Messenger of Allah صلی ‌اللہ ‌علیہ ‌وسلم said: He who swears an oath in which he tells a lie to take the property of a Muslim by unfair means, will meet Allah while He is angry with him. Al-Ashath رضی اللہ عنہ said: I swear by Allah, he said this about me. There was some land between me and a Jew, but he denied it to me; so I presented him to the Prophet صلی ‌اللہ ‌علیہ ‌وسلم. The Prophet صلی ‌اللہ ‌علیہ ‌وسلم asked me: Have you any evidence? I replied: No. He said to the Jew: Take an oath. I said: Messenger of Allah, now he will take an oath and take my property. So Allah, the Exalted, revealed the verse, As for those who sell the faith they owe to Allah and their own plighted word for a small price, they shall have no portion in the hereafter.

A man of Kindah and a man of Hadramawt brought their dispute to the Prophet صلی ‌اللہ ‌علیہ ‌وسلم about a land in the Yemen. Al-Hadrami said: Messenger of Allah, the father of this (man) usurped my land and it is in his possession. The Prophet asked: Have you any evidence? Al-Hadrami replied: No, but I make him swear (that he should say) that he does not know that it is my land which his father usurped from me. Al-Kindi became ready to take the oath. The Messenger of Allah صلی ‌اللہ ‌علیہ ‌وسلم said: If anyone usurps the property by taking an oath, he will meet Allah while his hand is mutilated. Al-Kindi then said: It is his land.

Narrated Alqamah bin Wail bin Hujr al-Hadrami رضی اللہ عنہ : On the Authority of his father: A man from Hadramawt and a man of Kindah came to the Messenger of Allah صلی ‌اللہ ‌علیہ ‌وسلم. Al-Hadrami said: Messenger of Allah, this (man) took away forcibly from me the land which belongs to my father. Al-Kindi said: It is my land in my possession, and I cultivate it, he has no right to it. The Prophet صلی ‌اللہ ‌علیہ ‌وسلم then said to al-Hadrami: Have you any proof ? He said: No. He then said: So for you is his oath. He said: Messenger of Allah, he is liar, he does not care for which he is taking the oath. He does not refrain himself from anything. The Prophet صلی ‌اللہ ‌علیہ ‌وسلم said: You will have nothing from him except that. He went to take an oath for him. When he turned his back, the Messenger of Allah صلی ‌اللہ ‌علیہ ‌وسلم said: If he takes an oath on the property to take it away by unfair means, he will meet Allah while He is unmindful of him.

The Prophet صلی ‌اللہ ‌علیہ ‌وسلم said: One should not take a false oath at this pulpit of mine even on a green tooth-stick; otherwise he will make his abode in Hell, or Hell will be certain for him.

The Messenger of Allah صلی ‌اللہ ‌علیہ ‌وسلم as saying: If anyone swears on oath is the course which he says: By al-Lat he should say: There is no god but Allah, and that if anyone says to his friend: Come and let me play for money with you, he should give something in charity (sadaqah).

The Prophet صلی ‌اللہ ‌علیہ ‌وسلم said: Do not swear by your fathers, or by your mothers, or by rivals to Allah; and swear by Allah only, and swear by Allah only when you are speaking the truth.

The Messenger of Allah صلی ‌اللہ ‌علیہ ‌وسلم found Umar al-Khattab in a caravan while he was swearing by his father. So he said: Allah forbids you to swear by forefathers. If anyone swears, he must swear by Allah or keep silence.

I swear by Allah, I never swore by it personally or reporting it from others.

Ibn Umar رضی اللہ عنہما heard a man swearing: No, I swear by the Kabah. Ibn Umar رضی اللہ عنہما said to him: I heard the Messenger of Allah صلی ‌اللہ ‌علیہ ‌وسلم say: He who swears by anyone but Allah is polytheist.

Referring to the story of a bedouin, Talhah bin Ubaidullah رضی اللہ عنہ reported the Prophet صلی ‌اللہ ‌علیہ ‌وسلم as saying: He became successful, by his father, if he speaks the truth, he will enter paradise, by his father, if he speaks truth.

The Prophet صلی ‌اللہ ‌علیہ ‌وسلم said: He who swears by Amanah (faithfulness) is not one of our number.

The Messenger of Allah صلی ‌اللہ ‌علیہ ‌وسلم said about the futile oath: It is man's speech in his house: No, by Allah, and Yes, by Allah. Abu Dawud said: Ibrahim al-Sa'igh, the narrator of this tradition, was a pious man. Abu Muslim killed him at 'Aranda. When he raised a hammed and heard the call to prayer, he gave it up. Abu Dawud said: This tradition has been transmitted by Dawud bin Abi al-Furat from Ibrahim al-Sa'igh as a statement of Aishah (not attributed to the Prophet). Similarly, it has been transmitted by al-Zuhri, Abd al-Malik bin Abi Sulaiman and Malik bin Mughul. All of them transmitted it from Ata on the authority of Aishah رضی اللہ عنہا on her own statement.

The Messenger of Allah صلی ‌اللہ ‌علیہ ‌وسلم as saying: Your oath should be about something regarding which your companion will believe you. Musaddad said: Abdullah bin Abi Salih narrated to me. Abu Dawud said: Both of them refer to the same person: 'Abbad bin Abu Salih and Abdullah bin Abi Salih.

We went out intending (to visit) the Messenger of Allah صلی ‌اللہ ‌علیہ ‌وسلم and Wail Ibn Hujr رضی اللہ عنہ was with us. His enemy caught him. The people desisted from swearing an oath, but I took an oath that he was my brother. So he left him. We then came to the Messenger of Allah صلی ‌اللہ ‌علیہ ‌وسلم, and I informed him that the people desisted from taking the oath, but I swore that he was my brother. He said: You spoke the truth: A Muslim is a brother of a Muslim.

He took oath of allegiance to the Messenger of Allah صلی ‌اللہ ‌علیہ ‌وسلم under the tree. The Messenger of Allah صلی ‌اللہ ‌علیہ ‌وسلم said: If anyone swears by religion other than Islam falsely, he is like what has has said. If anyone kills himself with something, he will be punished with it on the Day of Resurrection. A vow over which a man has no control is not binding on him.

The Prophet صلی ‌اللہ ‌علیہ ‌وسلم said: If anyone takes an oath and says: I am free from Islam; now if he is a liar (in his oath), he will not return to Islam with soundness.

I saw that the Prophet صلی ‌اللہ ‌علیہ ‌وسلم put a date on a loaf and said: This is a thing eaten with bread (condiments).

A similar tradition has also been transmitted by Yusuf bin Abdullah bin Salam through a different chain of narrators.

The Prophet صلی ‌اللہ ‌علیہ ‌وسلم said: If anyone says when swearing an oath: If Allah wills, he makes an exception.

The Prophet صلی ‌اللہ ‌علیہ ‌وسلم said: If anyone swears an oath and makes an exception, he may fulfil it if he wishes and break it if he wishes without any accountability for breaking.

The oath which the Messenger of Allah صلی ‌اللہ ‌علیہ ‌وسلم often used was this: No, by Him who overturns the hearts.

When the Messenger of Allah صلی ‌اللہ ‌علیہ ‌وسلم swore an oath strongly, he said: No, by Him in Whose hand is the soul of Abul Qasim.

When the Messenger of Allah صلی ‌اللہ ‌علیہ ‌وسلم swore an oath, it was: No, and I beg forgiveness of Allah.

Laqit bin Amir رضی اللہ عنہ came to the Messenger of Allah صلی ‌اللہ ‌علیہ ‌وسلم in a delegation. The Prophet صلی ‌اللہ ‌علیہ ‌وسلم then said: By the age of thy god.