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
tabarani:11674 – Abū Muslim al-Kashhī > ʿAbd al-ʿAzīz b. al-Khaṭṭāb > Mindal b. ʿAlī > Abū Janāb > ʿIkrimah > Ibn ʿAbbās

[Machine] The Messenger of Allah ﷺ said, "The 'Eid al-Adha is an obligation upon me, and it is a recommended act for you."  

الطبراني:١١٦٧٤ – حَدَّثَنَا أَبُو مُسْلِمٍ الْكَشِّيُّ ثنا عَبْدُ الْعَزِيزِ بْنُ الْخَطَّابِ ثنا مِنْدَلُ بْنُ عَلِيٍّ عَنْ أَبِي جَنَابٍ عَنْ عِكْرِمَةَ عَنِ ابْنِ عَبَّاسٍ ؓ قَالَ

قَالَ رَسُولُ اللهِ ﷺ «الْأَضْحَى عَلَيَّ فَرِيضَةٌ وَعَلَيْكُمْ سُنَّةٌ»  

See similar narrations below:

Collected by Dārimī, Suyūṭī
darimi:2007 – Muḥammad b. ʿĪsá > Ibn ʿUyaynah > al-Zuhrī > Saʿīd b. al-Musayyib > Abū Hurayrah

"There is no fara' and no' Atirah." (Using translation from Nasāʾī 4222)  

الدارمي:٢٠٠٧ – أَخْبَرَنَا مُحَمَّدُ بْنُ عِيسَى حَدَّثَنَا ابْنُ عُيَيْنَةَ عَنْ الزُّهْرِيِّ عَنْ سَعِيدِ بْنِ الْمُسَيِّبِ عَنْ أَبِي هُرَيْرَةَ قَالَ

قَالَ رَسُولُ اللَّهِ ﷺ «لَا فَرَعَ وَلَا عَتِيرَةَ»