The Messenger of Allah ﷺ delivered a sermon during the days of Tashriq and said, "None shall enter Paradise except a Muslim soul, and these days are days of eating and drinking."
حدثنا أبو بكر بن أبي شيبة وعلي بن محمد قالا حدثنا وكيع عن سفيان عن حبيب بن أبي ثابت عن نافع بن جبير بن مطعم
أن رسول الله ﷺ خطب أيام التشريق فقال لا يدخل الجنة إلا نفس مسلمة وإن هذه الأيام أيام أكل وشرب
Sourcing, its isnad is sahih. Ahmad narrated it, 3/415, from Waki and others through this route. Ibn Khuzayma graded it sahih, no. 2960, as did Busiri. Nasai narrated it in al-Kubra from the hadith of Sufyan through this route, and Hammad bin Zayd followed him in narrating it. Ahmad also narrated it from Shubah, who said, Habib bin Abu Thabit informed me that he heard Nafi bin Jubayr narrate it through this route.