(1) باب
Abu Huraira (Allah be pleased with him) reported that Sa'd b. Ubada (Allah be pleased with him) said:
Messenger of Allah, if I were to find with my wife a man, should I wait until I bring four witnesses? He said: Yes.
Reference: Sahih Muslim 1498 b
In-book reference: Book 19, Hadith 20
USC-MSA web (English) reference(deprecated numbering scheme): Book 9, Hadith 3570