(16) باب فَضْلِ الصَّلاَةِ فِي جَمَاعَةٍ
It was narrated that Abu Sa'eed Al-Khudri said:
"The Messenger of Allah said: 'the prayer of a man in congregation is twenty-five levels higher than his prayer in his home.'"
Reference: Sunan Ibn Majah 788
In-book reference: Book 4, Hadith 54
English translation: Vol. 1, Book 4, Hadith 788