Sourced narrations of the Prophet ﷺ. Every hadith shows its collection, reference and grade.
1 hadith
مِنْ حُسْنِ إِسْلَامِ الْمَرْءِ تَرْكُهُ مَا لَا يَعْنِيهِ
Part of the excellence of a person's Islam is leaving that which does not concern them.