"Part of someone's being a good Muslim is his leaving alone that which does not concern him."HADITH OF AT-TIRMIDHI
On the Authority of Abu Hurayrah
The Hadith (الحديث, pl. Ahadith) is a body of laws, legends and stories about Muhammad's way of life, (Arabic, Sunnah which includes his biography or the sira) and the sayings themselves where he elaborated on his choices or offered advice; many parts of the Hadith deal with his companions (Sahaba).