alkafi-15220Vol. 8, p. 303
قَالَ رَسُولُ اللَّهِ ص أَحَبُّ الصَّحَابَةِ إِلَى اللَّهِ أَرْبَعَةٌ وَ مَا زَادَ قَوْمٌ عَلَى سَبْعَةٍ إِلَّا كَثُرَ لَغَطُهُمْ[1].
The most beloved company to Allah (azwj) is four (in number), and a group does not exceed seven except the frequency of the noise’.