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.
abudawud:861ʿAbbād b. Mūsá al-Khuttalī > Ismāʿīl / Ibn Jaʿfar > Yaḥyá b. ʿAlī b. Yaḥyá b. Khalāad b. Rāfiʿ al-Zuraqī from his father from his grandfather > Rifāʿah b. Rāfiʿ

Then perform ablution in a way Allah, the exalted, has command you, then say the shahadah and get up and say the takbir. Then if you know any of the Qur’an, recite it; otherwise say: “Praise be to Allah”; “Allah is most great”; “ There is no god but Allah” He ( the narrator) also said in this version: If some defect remains in this, that detect will remain in your prayer.  

أبو داود:٨٦١حَدَّثَنَا عَبَّادُ بْنُ مُوسَى الْخُتَّلِيُّ حَدَّثَنَا إِسْمَاعِيلُ يَعْنِي ابْنَ جَعْفَرٍ أَخْبَرَنِي يَحْيَى بْنُ عَلِيِّ بْنِ يَحْيَى بْنِ خَلاَّدِ بْنِ رَافِعٍ الزُّرَقِيُّ عَنْ أَبِيهِ عَنْ جَدِّهِ عَنْ رِفَاعَةَ بْنِ رَافِعٍ

أَنَّ رَسُولَ اللَّهِ ﷺ فَقَصَّ هَذَا الْحَدِيثَ قَالَ فِيهِ فَتَوَضَّأْ كَمَا أَمَرَكَ اللَّهُ جَلَّ وَعَزَّ ثُمَّ تَشَهَّدْ فَأَقِمْ ثُمَّ كَبِّرْ فَإِنْ كَانَ مَعَكَ قُرْآنٌ فَاقْرَأْ بِهِ وَإِلاَّ فَاحْمَدِ اللَّهَ وَكَبِّرْهُ وَهَلِّلْهُ وَقَالَ فِيهِ وَإِنِ انْتَقَصْتَ مِنْهُ شَيْئًا انْتَقَصْتَ مِنْ صَلاَتِكَ