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
nasai-kubra:1908 – Isḥāq b. Ibrāhīm > al-Naḍr b. Shumayl > Shuʿbah > Yazīd b. Khumayr > Ḥabīb b. ʿUbayd > Jubayr b. Nufayr > Ibn al-Simṭ > Raʾayt ʿUmar b. al-Khaṭṭāb Yuṣallī Bidhī al-Ḥulayfah Rakʿatayn Fasaʾaltuh > Dhalik

"I saw 'Umar bin Al-Khattab praying two rak'ahs in Dhul-Hulaifah and I asked him about that. He said: 'I am simply doing that which I saw the Messenger of Allah ﷺ doing.'" (Using translation from Nasāʾī 1437)  

الكبرى للنسائي:١٩٠٨ – أَخْبَرَنَا إِسْحَاقُ بْنُ إِبْرَاهِيمَ قَالَ أَخْبَرَنَا النَّضْرُ بْنُ شُمَيْلٍ قَالَ أَخْبَرَنَا شُعْبَةُ عَنْ يَزِيدَ بْنِ خُمَيْرٍ قَالَ سَمِعْتُ حَبِيبَ بْنَ عُبَيْدٍ يُحَدِّثُ عَنْ جُبَيْرِ بْنِ نُفَيْرٍ عَنِ ابْنِ السِّمْطِ قَالَ رَأَيْتُ عُمَرَ بْنَ الْخَطَّابِ يُصَلِّي بِذِي الْحُلَيْفَةِ رَكْعَتَيْنِ فَسَأَلْتُهُ عَنْ ذَلِكَ فَقَالَ

«إِنَّمَا أَفْعَلُ كَمَا رَأَيْتُ رَسُولَ اللهِ ﷺ يَفْعَلُ»  

See similar narrations below:

Collected by Nasāʾī, Aḥmad, Bayhaqī
nasai:1437 – Isḥāq b. Ibrāhīm > al-Naḍr b. Shumayl > Shuʿbah > Yazīd b. Khumayr > Ḥabīb b. ʿUbayd > Jubayr b. Nufayr > Ibn al-Simṭ > Raʾayt ʿUmar b. al-Khaṭṭāb Yuṣallī Bidhī al-Ḥulayfah Rakʿatayn Fasaʾaltuh > Dhalik

"I saw 'Umar bin Al-Khattab praying two rak'ahs in Dhul-Hulaifah and I asked him about that. He said: 'I am simply doing that which I saw the Messenger of Allah ﷺ doing.'"  

النسائي:١٤٣٧ – أَخْبَرَنَا إِسْحَاقُ بْنُ إِبْرَاهِيمَ قَالَ حَدَّثَنَا النَّضْرُ بْنُ شُمَيْلٍ قَالَ حَدَّثَنَا شُعْبَةُ عَنْ يَزِيدَ بْنِ خُمَيْرٍ قَالَ سَمِعْتُ حَبِيبَ بْنَ عُبَيْدٍ يُحَدِّثُ عَنْ جُبَيْرِ بْنِ نُفَيْرٍ عَنِ ابْنِ السِّمْطِ قَالَ رَأَيْتُ عُمَرَ بْنَ الْخَطَّابِ يُصَلِّي بِذِي الْحُلَيْفَةِ رَكْعَتَيْنِ فَسَأَلْتُهُ عَنْ ذَلِكَ فَقَالَ

إِنَّمَا أَفْعَلُ كَمَا رَأَيْتُ رَسُولَ اللَّهِ ﷺ يَفْعَلُ  

ahmad:13113 – Yazīd b. Hārūn > Hammām > Anas b. Sīrīn

AbuSa'id said: I saw Wathilah ibn al-Asqa' in the mosque of Damascus. He spat at the mat and then rubbed it with his foot. He was asked: Why did you do so? He said: Because I saw the Messenger of Allah ﷺ doing so. (Using translation from Abū Dāʾūd 484)   

أحمد:١٣١١٣ – حَدَّثَنَا يَزِيدُ بْنُ هَارُونَ أَخْبَرَنَا هَمَّامٌ عَنْ أَنَسِ بْنِ سِيرِينَ قَالَ تَلَقَّيْنَا أَنَسَ بْنَ مَالِكٍ حِينَ قَدِمَ مِنَ الشَّامِ فَلَقِينَاهُ بِعَيْنِ التَّمْرِ وَهُوَ يُصَلِّي عَلَى دَابَّتِهِ لِغَيْرِ الْقِبْلَةِ فَقُلْنَا لَهُ إِنَّكَ تُصَلِّي إِلَى غَيْرِ الْقِبْلَةِ فَقَالَ

لَوْلَا أَنِّي رَأَيْتُ رَسُولَ اللهِ ﷺ يَفْعَلُ ذَلِكَ مَا فَعَلْتُ  

bayhaqi:295 – Abū Muḥammad Janāḥ b. Nadhīr b. Janāḥ al-Qāḍī Bi-al-Kūfah > Abū Jaʿfar b. Duḥaym > Aḥmad b. Ḥāzim > Abū Ghassān Mālik b. Ismāʿīl > Isrāʾīl > ʿĀmir b. Shaqīq / Ibn Jamrah > Shaqīq b. Salamah > Raʾayt ʿUthmān b. ʿAffān Yatawaḍḍaʾ Faghasal Kaffayh Thalāth And Maḍmaḍ Wāstanshaq Thalāth Waghasal Wajhah Thalāth Waghasal Dhirāʿayh Thalāth Wamasaḥ Biraʾsih Thalāth Waʾudhunayh Ẓāhirihimā Wabāṭinihimā Wakhallal Liḥyatah Waghasal Qadmayh Thalāth Wakhallal Aṣābiʿ Qadmayh

[Machine] And he said, "I saw the Messenger of Allah ﷺ doing as you have seen me doing."  

البيهقي:٢٩٥ – وَمِنْهَا مَا أَخْبَرَنَا أَبُو مُحَمَّدٍ جَنَاحُ بْنُ نَذِيرِ بْنِ جَنَاحٍ الْقَاضِي بِالْكُوفَةِ أنا أَبُو جَعْفَرِ بْنُ دُحَيْمٍ أنا أَحْمَدُ بْنُ حَازِمٍ أنا أَبُو غَسَّانَ مَالِكُ بْنُ إِسْمَاعِيلَ أنا إِسْرَائِيلُ عَنْ عَامِرِ بْنِ شَقِيقٍ يَعْنِي ابْنَ جَمْرَةَ عَنْ شَقِيقِ بْنِ سَلَمَةَ قَالَ رَأَيْتُ عُثْمَانَ بْنَ عَفَّانَ يَتَوَضَّأُ فَغَسَلَ كَفَّيْهِ ثَلَاثًا وَمَضْمَضَ وَاسْتَنْشَقَ ثَلَاثًا وَغَسَلَ وَجْهَهُ ثَلَاثًا وَغَسَلَ ذِرَاعَيْهِ ثَلَاثًا وَمَسَحَ بِرَأْسِهِ ثَلَاثًا وَأُذُنَيْهِ ظَاهِرِهِمَا وَبَاطِنِهِمَا وَخَلَّلَ لِحْيَتَهُ وَغَسَلَ قَدْمَيْهِ ثَلَاثًا وَخَلَّلَ أَصَابِعَ قَدْمَيْهِ

وَقَالَ رَأَيْتُ رَسُولَ اللهِ ﷺ فَعَلَ كَمَا رَأَيْتُمُونِي فَعَلْتُ