Yahya related to me from Malik from Ibr. Shihab from al-Araj thatAbu Hurayra said, "The worst food is the food of a wedding feast towhich the rich are invited and the poor are left out. If anyonerejects an invitation, he has rebelled against Allah and HisMessenger." (ID)
USC-MSA web (English) reference: Book 28, Hadith 50 (ID)
Arabic reference (ID): Book 28, Hadith 1145 (ID)