The refutation of the Murji'a regarding the increase and decrease of faith through deeds: what one must begin with in that regard is intention along with affirmation; this is what the Book and the Sunnah indicate.
الرَّدُّ عَلَى الْمُرْجِئَةِ فِي زِيَادَةِ الْعَمَلِ وَنُقْصَانِهِ مَا يُبْتَدَأُ بِهِ فِي ذَلِكَ مِنَ النِّيَّةِ مَعَ الْإِقْرَارِ، كَذَا يَدُلُّ الْكِتَابُ وَالسُّنَّةُ