hadith
6872
۞
Imam Ali (AS) said, The most necessary knowledge for you is that which guides you to rectitude of your religion and separates you from its corruption.
الإمامُ عليٌّ (عَلَيهِ الّسَلامُ) : ألْزَمُ العِلْمِ بِكَ ما دَلَّكَ عَلى صَلاحِ دينِكَ وَ أبانَ لَكَ عَنْ فَسادِهِ