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.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
tabarani:18418 – al-Ḥusayn b. Isḥāq al-Tustarī > ʿAlī b. Baḥr > Baqiyyah b. al-Walīd > Ḥabīb b. ʿUmar al-Anṣārī from my father > Saʾalt Wāthilah b. al-Asqaʿ > al-Ṣalāh Khalf al-Qadarī > Lā Tuṣal Khalfah Ammā

[Machine] "Do not pray behind him, as for me, if I had prayed behind him, I would have repeated my prayers."  

الطبراني:١٨٤١٨ – حَدَّثَنَا الْحُسَيْنُ بْنُ إِسْحَاقَ التُّسْتَرِيُّ ثنا عَلِيُّ بْنُ بَحْرٍ ثنا بَقِيَّةُ بْنُ الْوَلِيدِ حَدَّثَنِي حَبِيبُ بْنُ عُمَرَ الْأَنْصَارِيُّ حَدَّثَنِي أَبِي قَالَ سَأَلْتُ وَاثِلَةَ بْنَ الْأَسْقَعِ عَنِ الصَّلَاةِ خَلْفَ الْقَدَرِيِّ فَقَالَ

«لَا تُصَلِّ خَلْفَهُ أَمَّا أَنَا لَوْ كُنْتُ صَلَّيْتُ خَلْفَهُ لَأَعَدْتُ صَلَاتِي»