That the Messenger of Allah (ﷺ) said: "Whoever swears by a religion other than Islam while lying, then he is as he said."

"I said: 'O Messenger of Allah! My sister vowed that she would walk to the House barefoot and without Khimar (covering).' The Prophet (ﷺ) said: 'Verily Allah will not do anything with the misery of your sister. She should ride, and cover, and fast three days.'"

That the Messenger of Allah (ﷺ) said: "Whoever among you swears, saying in his oath: 'By Al-Lat! By Al-'Uzza!' Then let him say 'La ilaha illa Allah' And whoever says: 'Come let me gamble with you!' Then let him give in charity."

That Sa'd bin 'Ubadah asked the Messenger of Allah (ﷺ) about a vow that was due from his mother, who died before fulfilling it. The Prophet (ﷺ) said: "Fulfill it for her."

"Any Muslim man who frees a Muslim man, then it is his salvation from the Fire - each of his limbs suffices for a limb of himself. And any Muslim man that frees two Muslim women, then are his salvation from the Fire - each of their limbs suffices for a limb of himself. And any Muslim woman that frees a Muslim woman, then she is her salvation from the Fire - each of her limb suffices for a limb of herself."