"There is no vow to commit an act of disobedience, and no vow concerning that which the son of Adam does not possess."
Sunan an-Nasa'i Book 35, Hadith 52
← Previous Hadith "The Prophet passed by a man who was circumambulating the Ka'bah, led by another man with a reign in his nose. The Prophet took him by the hand and commanded him to lead him by his hand." Ibn Juraij said: "Sulaiman told me that Tawus told him, from Ibn 'Abbas, that the Prophet passed by him when he was circumambulating the Ka'bah, and a man had tied his hand to another man with some string or thread or whatever. The Prophet cut it with his hand then said: 'Lead him with your hand.'"

Sunan an-Nasa'i Book 35, Hadith 51 Next Hadith → "Whoever swears by a religion other than Islam, telling a lie, will be as he said, and whoever kills himself with something, he will be punished with it in the Hereafter, and there is no vow concerning that which a man does not possess."

Sunan an-Nasa'i Book 35, Hadith 53