Hadith 229
Sayyiduna Abu Hurairah (may Allah be pleased with him) narrates: The Noble Prophet (peace and blessings be upon him) said: "Part of the perfection of a person's Islam is his leaving that which does not concern him."
Hadith 230
Sayyiduna Abdullah bin Amr (may Allah be pleased with him) narrates this statement of the Prophet (peace and blessings of Allah be upon him): "A Muslim is the one from whose hand and tongue other Muslims are safe, and a Muhajir (emigrant) is the one who abandons what Allah the Exalted has forbidden."