hadith 7

عَنْ أَبِي رُقَيَّةَ تَمِيمِ بْنِ أَوْسٍ الدَّارِيِّ رَضِيَ اللَّهُ عَنْهُ أَنَّ النَّبِيِّ صَلَّى اللّهُ عَلَيْهِ وَسَلَّمَ قَالَ: ((الدِّينُ النَّصِيحَةُ قُلْنَا لِمَنْ؟ قَالَ: لِلَّهِ وَلِكِتَابِهِ وَلِرَسُولِهِ وَلِأَئِمَّةِ الْمُسْلِمِينَ وَعَامَّتِهِمْ.))

On the authority of Tamim Al-Dari that the prophet said: "Religion is sincerity". We said: "To whom" He said: "To Allah and His Book, and His messenger, and to the leaders of the Muslims and their common folk".