Umar on II Secrecy: Beware secret religious cults of misguidance

Al-Awza’i reported: Umar ibn Abdul Aziz, may Allah have mercy on him, said, “If you see people meeting in secret for their religion to the exclusion of the public, then know that they are establishing misguidance.”

Source: Ḥilyat al-Awliyā’ 7548

عَنِ الأَوْزَاعِيِّ قَالَ قَالَ عُمَرُ بْنُ عَبْدِ الْعَزِيزِ رحمه الله إِذَا رَأَيْتَ قَوْمًا يَتَنَاجَوْنَ فِي دِينِهِمْ دُونَ الْعَامَّةِ فَاعْلَمْ أَنَّهُمْ فِي تَأْسِيسِ الضَّلالَةِ

7548 حلية الأولياء لأبي نعيم عمر بن عبد العزيز