Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
bayhaqi:19837Abū Bakr b. al-Ḥārith al-Aṣbahānī > Abū Muḥammad b. Ḥayyān > Ibrāhīm b. Muḥammad b. al-Ḥasan > Abū ʿĀmir Mūsá b. ʿĀmir > al-Walīd b. Muslim

[Machine] Said Sa'id, Qatada and Al-Hasan said, "There is no expiation for one who swears by Judaism or Christianity and then breaks his oath."  

البيهقي:١٩٨٣٧أَخْبَرَنَا أَبُوِ بَكْرِ بْنُ الْحَارِثِ الْأَصْبَهَانِيُّ أنبأ أَبُو مُحَمَّدِ بْنُ حَيَّانَ ثنا إِبْرَاهِيمُ بْنُ مُحَمَّدِ بْنِ الْحَسَنِ ثنا أَبُو عَامِرٍ مُوسَى بْنُ عَامِرٍ ثنا الْوَلِيدُ بْنُ مُسْلِمٍ قَالَ

قَالَ سَعِيدٌ كَانَ قَتَادَةُ وَالْحَسَنُ يَقُولَانِ لَيْسَ عَلَيْهِ كَفَّارَةٌ يَعْنِي مَنْ حَلَفَ بِالْيَهُودِيَّةِ أَوِ النَّصْرَانِيَّةِ ثُمَّ حَنِثَ