Oaths and Vows (Kitab Al-Aiman Wa Al-Nudhur)
كتاب الأيمان والنذور
Chapter 24: One Who Vows To Perform Salah In Bait Al-Maqdis (Jerusalem)
A man stood on the day of Conquest (of Mecca) and said: Messenger of Allah, I have vowed to Allah that if He grants conquest of Mecca at your hands, I shall pray two rak'ahs in Jerusalem. He replied: Pray here. He repeated (his statement) to him and he said: Pray here. He again repeated (his statement) to him. He (the Prophet) replied: Pursue your own course, then.
Abu Dawud said: A similar tradition has been narrated by 'Abd al-Rahman b. 'Awf from the Prophet (ﷺ).
Abu Dawud said: This tradition has also been transmitted by al-Ansari, from Ibn-Juraij. He said: Ja'far b. 'Umar and 'Amr b. Hayyah. He said: They transmitted from 'Abd al-Rahman b. 'Awf and from the Companions of the Prophet (ﷺ).
Chapter 26: If A Person Dies Owing Fasts, His Heir Should Fast On His Behalf
A woman came to the Prophet (ﷺ) and said (to him) that one month's fast was due from her mother who had died. May I fulfill them on her behalf? He asked: Suppose some debt was due from your mother, would you pay it ? She replied: Yes. He said: So the debt due to Allah is the one which most deserves to be paid.
Chapter 29: The One Who Vows To Give His Wealth In Charity
I said: Messenger of Allah, to make my repentance complete I should divest myself of my property as sadaqah (alms) for Allah and His Apostle. The Messenger of Allah (ﷺ) said: Retain some of your property, for that will be better for you. So he said: I shall retain the portion I have at Khaybar.
I said: Messenger of Allah, to make my atonement complete I should divest myself of my all property as sadaqah (alms) for Allah and His apostle. He said: No. I said: The half of it. He said: No. I said: Then a third of it. He said: Yes. I said: I shall retain the portion I have at Khaybar.