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.
ibnmajah:57ʿAlī b. Muḥammad al-Ṭanāfisī > Wakīʿ > Sufyān > Suhayl b. Abū Ṣāliḥ > ʿAbdullāh b. Dīnār > Abū Ṣāliḥ > Abū Hurayrah

"The Messenger of Allah ﷺ said: 'Faith has sixty-some or seventy parts, the least of which is to remove a harmful thing from the road and the greatest of which is to say La ilaha illalah (none has the right to be worshipped but Allah). And modesty is a branch of faith.'" Another chain from Abu Hurairah, from the Prophet ﷺ with similar wording.  

ابن ماجة:٥٧حَدَّثَنَا عَلِيُّ بْنُ مُحَمَّدٍ الطَّنَافِسِيُّ حَدَّثَنَا وَكِيعٌ حَدَّثَنَا سُفْيَانُ عَنْ سُهَيْلِ بْنِ أَبِي صَالِحٍ عَنْ عَبْدِ اللَّهِ بْنِ دِينَارٍ عَنْ أَبِي صَالِحٍ عَنْ أَبِي هُرَيْرَةَ قَالَ

قَالَ رَسُولُ اللَّهِ ﷺ الإِيمَانُ بِضْعٌ وَسِتُّونَ أَوْ سَبْعُونَ بَابًا أَدْنَاهَا إِمَاطَةُ الأَذَى عَنِ الطَّرِيقِ وَأَرْفَعُهَا قَوْلُ لاَ إِلَهَ إِلاَّ اللَّهُ وَالْحَيَاءُ شُعْبَةٌ مِنَ الإِيمَانِ حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ حَدَّثَنَا أَبُو خَالِدٍ الأَحْمَرُ عَنِ ابْنِ عَجْلاَنَ ح وَحَدَّثَنَا عَمْرُو بْنُ رَافِعٍ حَدَّثَنَا جَرِيرٌ عَنْ سُهَيْلٍ جَمِيعًا عَنْ عَبْدِ اللَّهِ بْنِ دِينَارٍ عَنْ أَبِي صَالِحٍ عَنْ أَبِي هُرَيْرَةَ عَنِ النَّبِيِّ ﷺ نَحْوَهُ