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:17264Abū ʿAbd al-Raḥman al-Sulamī And ʾAbū Bakr b. al-Ḥārith al-Aṣbahānī > ʿAlī b. ʿUmar al-Ḥāfiẓ > ʿAbdullāh b. Jaʿfar b. Khushaysh > Salm b. Junādah > Wakīʿ > Sufyān > ʿAbd al-Raḥman b. al-Qāsim from his father > Abū Bakr Arād > Yaqṭaʿ Rijl Baʿd al-Yad Wa-al-Rrijl > ʿUmar al-Sunnah al-Yad Qawl ʿUmar al-Sunnah al-Yad Yushbih

[Machine] The passage translates to: "The age of Sunnah is the saying of Omar, the age of Sunnah is the saying of Omar, resembling to be aware of the Sunnah of the Messenger of Allah ﷺ."  

البيهقي:١٧٢٦٤أَخْبَرَنَا أَبُو عَبْدِ الرَّحْمَنِ السُّلَمِيُّ وَأَبُو بَكْرِ بْنُ الْحَارِثِ الْأَصْبَهَانِيُّ قَالَا أنبأ عَلِيُّ بْنُ عُمَرَ الْحَافِظُ ثنا عَبْدُ اللهِ بْنُ جَعْفَرِ بْنِ خُشَيْشٍ ثنا سَلْمُ بْنُ جُنَادَةَ ثنا وَكِيعٌ ثنا سُفْيَانُ عَنْ عَبْدِ الرَّحْمَنِ بْنِ الْقَاسِمِ عَنْ أَبِيهِ أَنَّ أَبَا بَكْرٍ ؓ أَرَادَ أَنْ يَقْطَعَ رِجْلًا بَعْدَ الْيَدِ وَالرِّجْلِ فَقَالَ

عُمَرُ ؓ السُّنَّةُ الْيَدُ قَوْلُ عُمَرَ ؓ السُّنَّةُ الْيَدُ يُشْبِهُ أَنْ يَكُونَ عَرَفَ فِيهِ سُنَّةَ رَسُولِ اللهِ ﷺ