جَرَتِ السُّنَّةُ أَنْ لَا تُؤْخَذَ الْجِزْيَةُ مِنَ الْمَعْتُوهِ[3] وَ لَا مِنَ الْمَغْلُوبِ عَلَى عَقْلِهِ.
"The established practice (sunnah) is that jizya is not taken from the mentally ill or those whose intellect is impaired (maghlub ala 'aqlihi)."