It wasnarrated that Abu Sa'eed said:
"A man entered the mosque whentheProphet (ﷺ) was delivering the sermon. He said: 'Have youprayed?' He said: 'No.' He said: 'Then pray two Rak'ah.'"
English reference: Vol. 1, Book 5, Hadith 1113
Arabic reference: Book 5, Hadith 1167