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:4322Abū ʿAbdullāh al-Ḥāfiẓ > Abū Ḥafṣ ʿUmar b. Jaʿfar al-Baṣrī al-Mufīd> Abū Khalīfah al-Qāḍī > Abū al-Walīd al-Ṭayālisī > Shaddād Abū Ṭalḥah > Muʿāwiyah b. Qurrah > Anas b. Mālik

[Machine] To begin with your left foot, Shaddad ibn Sa'id Abu Talhah Al-Rasibiy excelled with it, but it is not the strongest.  

البيهقي:٤٣٢٢أنبأ أَبُو عَبْدِ اللهِ الْحَافِظُ ثنا أَبُو حَفْصٍ عُمَرُ بْنُ جَعْفَرٍ الْبَصْرِيُّ الْمُفِيدُ بِبَغْدَادَ ثنا أَبُو خَلِيفَةَ الْقَاضِي ثنا أَبُو الْوَلِيدِ الطَّيَالِسِيُّ ثنا شَدَّادٌ أَبُو طَلْحَةَ قَالَ سَمِعْتُ مُعَاوِيَةَ بْنَ قُرَّةَ يُحَدِّثُ عَنْ أَنَسِ بْنِ مَالِكٍ أَنَّهُ كَانَ يَقُولُ مِنَ السُّنَّةِ إِذَا دَخَلْتَ الْمَسْجِدَ أَنْ تَبْدَأَ بِرِجْلِكَ الْيُمْنَى وَإِذَا خَرَجْتَ

أَنْ تَبْدَأَ بِرِجْلِكَ الْيُسْرَى تَفَرَّدَ بِهِ شَدَّادُ بْنُ سَعِيدٍ أَبُو طَلْحَةَ الرَّاسِبِيُّ وَلَيْسَ بِالْقَوِيِّ