Surah At-Taubah Verse 122 - English Translation by Mir Anees Original
Surah At-Taubah۞وَمَا كَانَ ٱلۡمُؤۡمِنُونَ لِيَنفِرُواْ كَآفَّةٗۚ فَلَوۡلَا نَفَرَ مِن كُلِّ فِرۡقَةٖ مِّنۡهُمۡ طَآئِفَةٞ لِّيَتَفَقَّهُواْ فِي ٱلدِّينِ وَلِيُنذِرُواْ قَوۡمَهُمۡ إِذَا رَجَعُوٓاْ إِلَيۡهِمۡ لَعَلَّهُمۡ يَحۡذَرُونَ
And it is not (proper) for the believers that they should go out all together (to fight), so why not a group go out from every party among them, so that (those who remain behind) could develop sound understanding in religion and (through this religious knowledge) warn their people when they return to them (from war) so that they (too) could be cautious