It was narrated from Salim that his father said: "The oath by which the Messenger of Allah (ﷺ) used to swear was: 'No, by the Controller of the hearts.'"

It was narrated that Ibn 'Umar said: "The Messenger of Allah (ﷺ) said: 'Whoever swears, let him not swear by anything other than Allah.'" The Quraish used to swear by their forefathers, and so he said: "Do not swear by your forefathers."

Yahya bin Abi Ishaq said: "A man from Banu Ghifar told me, in the gathering of Salim bin 'Abdullah, Salim bin 'Abdullah said: 'I heard 'Abdullah -that is, Ibn 'Umar- say: "The Messenger of Allah (ﷺ) said: 'Allah forbids you to swear by your forefathers.'"'"

It was narrated from Salim, from his father, that on one occasion the Prophet (ﷺ) heard 'Umar saying: "By my father and by my mother." He said: "Allah forbids you to swear by your forefathers." 'Umar said: "By Allah, I never swore by them again, whether saying it for myself or reporting it of others."

It was narrated from 'Umar that the Prophet (ﷺ) said: "Allah forbids you to swear by your forefathers." 'Umar said: "By Allah, I never swore by them again, whether saying it for myself or reporting of others."

It was narrated from Salim, from his father, that he told him from 'Umar: "The Messenger of Allah (ﷺ) said: 'Allah forbids you to swear by your forefathers.'" 'Umar said: "By Allah, I never swore by them again, whether saying it for myself or reporting it of others."

It was narrated that Abu Hurairah said: "The Messenger of Allah (ﷺ) said: 'Do not swear by your fathers, nor by your mothers nor by the idols. Swear only by Allah, and do not swear unless you are sincere.'"

It was narrated that Thabit bin Ad-Dahhak said: "The Messenger of Allah (ﷺ) said: 'Whoever swears by a religion other than Islam, telling a lie, will be as he said.'" In his narration, Qutaibah said: "Intentionally." Yazid said: "Telling a lie will be as he said, and whoever kills himself with something. Allah will punish him with it in the Fire of Hell."

Thabit bin Ad-Dahhak narrated that the Messenger of Allah (ﷺ) said: "Whoever swears by a religion other than Islam, telling a lie, will be as he said, and whoever kills himself with something will be punished with it in the Hereafter."

It was narrated from 'Abdullah bin Buraidah that his father said: "The Messenger of Allah (ﷺ) said: 'Whoever says: I have nothing to do with Islam, if he is lying then he is as he said, and if he is telling the truth, his Islam will not be sound.'"

It was narrated from Abu Musa that the Prophet (ﷺ) said: "There is nothing on Earth that I swear an oath upon, and I see that something else is better, but I do that which is better."

It was narrated that Abu Musa Al-Ash'ari said: "I came to the Messenger of Allah (ﷺ) with a group of the Ash'ari people and asked him to give us animals to ride. He said: 'By Allah, I cannot give you anything to ride and I have nothing to give you to ride.' We stayed as long as Allah willed, then some camels were brought to him. He ordered that we be given three fine-looking camels. When we left, we said to one another: 'We came to the Messenger of Allah (ﷺ) to ask him for animals to ride, and he swore by Allah that he would not give us anything to ride, then he gave us something.'" Abu Musa said: "We came to the Prophet (ﷺ) and told him about that. He said: 'I did not give you animals to ride, rather Allah gave you them to ride. By Allah, I do not swear an oath and then see something better than it, but I offer expiation for my oath and do that which is better.'"

'Amr bin Shu'aib narrated from his father, from his grandfather, that the Messenger of Allah (ﷺ) said: "Whoever swears an oath, then sees something better than it, let him do that which is better."

It was narrated from 'Abdur-Rahman bin Samurah that the Messenger of Allah (ﷺ) said: "If any one of you swears an oath, then he sees something better than it, let him offer expiation for his oath, and look at what is better and do it."

'Abdur-Rahman bin Samurah said: "The Messenger of Allah (ﷺ) said: 'If you swear an oath, offer expiation for your oath, then do that which is better.'"

It was narrated from 'Abdur-Rahman bin Samurah that the Prophet (ﷺ) said: "If you swear an oath, then you see something better than it, then offer expiation for your oath, and do that which is better."

It was narrated that 'Adiyy bin Hatim said: "The Messenger of Allah (ﷺ) said: 'Whoever swears an oath, then sees something better than it, let him do that which is better and offer expiation for his oath.'"

It was narrated that 'Adiyy bin Hatim said: "The Messenger of Allah (ﷺ) said: 'Whoever swears an oath, then sees something better than it, let him leave his oath, and do that which is better, and offer expiation for it.'"

It was narrated that 'Adiyy bin Hatim said: "The Messenger of Allah (ﷺ) said: 'Whoever swears an oath, then sees something better than it, let him do that which is better and leave his oath.'"

It was narrated that 'Abdur-Rahman bin Samurah said: "The Prophet (ﷺ) said to me: 'If you swear an oath, and you see something that is better, then do that which is better and offer expiation for your oath.'"