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
bayhaqi:9352 – Abū al-Ḥusayn b. al-Faḍl al-Qaṭṭān > ʿAbdullāh b. Jaʿfar > Yaʿqūb b. Sufyān > ʿAmr / Ibn Khālid al-Ḥarrānī > Zuhayr > Abū Isḥāq > Ibn ʿUmar

[Machine] I heard Ibn Umar saying between Safa and Marwa, "My Lord, forgive me and have mercy on me, as You are the Most Honorable, the Most Generous."  

البيهقي:٩٣٥٢ – أَخْبَرَنَا أَبُو الْحُسَيْنِ بْنُ الْفَضْلِ الْقَطَّانُ أنبأ عَبْدُ اللهِ بْنُ جَعْفَرٍ ثنا يَعْقُوبُ بْنُ سُفْيَانَ ثنا عَمْرٌو يَعْنِي ابْنَ خَالِدٍ الْحَرَّانِيَّ ثنا زُهَيْرٌ ثنا أَبُو إِسْحَاقَ قَالَ

سَمِعْتُ ابْنَ عُمَرَ يَقُولُ بَيْنَ الصَّفَا وَالْمَرْوَةِ رَبِّ اغْفِرْ لِي وَارْحَمْ وَأَنْتَ أَوْ إِنَّكَ الْأَعَزُّ الْأَكْرَمُ