The Book of Marriage
16/16. Chapter:
The command to accept invitations
Sahih Muslim
وَحَدَّثَنَا مُحَمَّدُ بْنُ الْمُثَنَّى، حَدَّثَنَا خَالِدُ بْنُ الْحَارِثِ، عَنْ عُبَيْدِ اللَّهِ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " إِذَا دُعِيَ أَحَدُكُمْ إِلَى الْوَلِيمَةِ فَلْيُجِبْ " . قَالَ خَالِدٌ فَإِذَا عُبَيْدُ اللَّهِ يُنَزِّلُهُ عَلَى الْعُرْسِ .
Ibn 'Umar (Allah be pleased with them) reported Allah's Apostle (ﷺ) as saying: When any one of you is invited to a feast, he should accept. 'Ubaidallah took this feast to be a wedding feast.
Reference : Sahih Muslim 1429bIn-book reference : Book 16, Hadith 113USC-MSA web (English) reference : Book 8, Hadith 3338