قَالَ لِي أَبُو عَبْدِ اللَّهِ ع أَنْهَاكَ عَنْ خَصْلَتَيْنِ فِيهِمَا هَلَاكُ الرِّجَالِ أَنْهَاكَ أَنْ تَدِينَ اللَّهَ بِالْبَاطِلِ وَ تُفْتِيَ النَّاسَ بِمَا لَا تَعْلَمُ.
"I would like to warn you about two forms of behavior that lead a man to destruction. I prohibit you from dealing with Allah on the basis of falsehood and from giving fatwa to people without knowledge.”