يد الله مع الجماعة من شذ شذ في النار ( رواه الترمذي "The hand of Allah is with (Muslims' group/Muslims' community). And whoever splits away does so into the Fire." (narrated by Attermethyy) "The hand of Allah ..." is a kind of metaphor in Arabic which means Allah's aid ,assistance and support In other words, Allah is with the group and his help and mercy falls on them. Allah loves those who gather and act in group for His Sake.

it means the god with the unity and co-operation of all the community and against being alone and do not co-operate with others and the community goes to only being selfishness

عن ابن عباس - رضي الله عنهما - أنه قال :قال رسول الله :(إن الله لا يجمع أمتي على ضلالة ، ويد الله مع الجماعة ، ومن شذ شذ إلى النار)، يحثنا نبينا الكريم (صلي الله عليه وسلم)علي الاتحاد والعمل معا وترك التفرقه والتشتت