Quran

وَجَعَلۡنَا مِنۡهُمۡ أَئِمَّةٗ يَهۡدُونَ بِأَمۡرِنَا لَمَّا صَبَرُواْۖ وَكَانُواْ بِـَٔايَٰتِنَا يُوقِنُونَ

And We made from among them leaders guiding by Our command when they were patient and [when] they were certain of Our signs