The Refutation of the Murji'ah regarding their statement: 'Verily, faith [iman] increases and does not decrease.'
الرَّدُّ عَلَى الْمُرْجِئَةِ قَوْلَهُمْ: إِنَّ الْإِيمَانَ يَزِيدُ وَلَا يَنْقُصُ