Surah As-Sajdah (32:24)

وَجَعَلْنَا مِنْهُمْ أَئِمَّةً يَهْدُونَ بِأَمْرِنَا لَمَّا صَبَرُوا۟ وَكَانُوا۟ بِـَٔايَٰتِنَا يُوقِنُونَ

And from among them We made leaders, guiding by Our command, when they had restrained themselves, and they used to be sure of Our signs.