Abū Dāwud al-Ḥarrānī > al-Ḥasan b. Muḥammad / Ibn Aʿyan Thiqah > Zuhayr > Abū Isḥāq > Muṣʿab b. Saʿd from his father

"We were talking about something, and I had only recently left Jahiliyyah behind, so I swore by Al-Lat and Al-'Uzza. The Companions of the Messenger of Allah said to me: 'What a bad thing you have said! Go to the Messenger of Allah and tell him, for we think that you have committed Kufr.' So I went to him and told him, and he said to me: 'Say: La ilaha illallah wahdahu la sharika lah (There is none worthy of worship except Allah alone, without partner) three times, and seek refuge with Allah from the Shaitan three times, and spit dryly to your left three times, and do not say that again.'"

أَخْبَرَنَا أَبُو دَاوُدَ الْحَرَّانِيُّ قَالَ حَدَّثَنَا الْحَسَنُ بْنُ مُحَمَّدٍ وَهُوَ ابْنُ أَعْيَنَ ثِقَةٌ قَالَ حَدَّثَنَا زُهَيْرٌ قَالَ حَدَّثَنَا أَبُو إِسْحَاقَ عَنْ مُصْعَبِ بْنِ سَعْدٍ عَنْ أَبِيهِ قَالَ

كُنَّا نَذْكُرُ بَعْضَ الْأَمْرِ وَأَنَا حَدِيثُ عَهْدٍ بِالْجَاهِلِيَّةِ فَحَلَفْتُ بِاللَّاتِ وَالْعُزَّى فَقَالَ لِي أَصْحَابُ رَسُولِ اللهِ ﷺ بِئْسَ مَا قُلْتَ ائْتِ رَسُولَ اللهِ ﷺ فَأَخْبِرْهُ فَإِنَّا لَا نَرَاكَ إِلَّا قَدْ كَفَرْتَ فَلَقِيتُهُ فَأَخْبَرْتُهُ فَقَالَ «قُلْ لَا إِلَهَ إِلَّا اللهُ وَحْدَهُ ثَلَاثَ مَرَّاتٍ وَتَعَوَّذْ مِنَ الشَّيْطَانِ ثَلَاثَ مَرَّاتٍ وَاتْفِلْ عَنْ شِمَالِكَ ثَلَاثَ مَرَّاتٍ وَلَا تَعُدْ لَهُ»