Mishkat al-Masabih 270
Al-Hasan said that knowledge is of two kinds:
knowledge in the
heart, which is the beneficial type; and knowledge on the tongue, which
is God’s allegation against a human being.” Darimi transmitted it.
وَعَن الْحسن قَالَ: «الْعِلْمُ عِلْمَانِ فَعِلْمٌ فِي الْقَلْبِ فَذَاكَ الْعلم النافع وَعلم على اللِّسَان فَذَاك حُجَّةُ اللَّهِ عَزَّ وَجَلَّ عَلَى ابْنِ آدَمَ» . رَوَاهُ الدَّارمِيّ