Four causes to grant one the permission to return a slave within one year
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4-104 حدثنا محمد بن علي ماجيلويه رضي الله عنه قال: حدثنا محمد بن يحيى العطار قال: حدثني محمد بن أحمد، عن محمد بن عيسى قال: كان ابن فضال يروي عن أبي الحسن الثاني عليه السلام في أربعة أشياء خيار سنة: الجنون، والجذام، والبرص، والقرن
4-104 Muhammad ibn Ali Majiluyih - may God be pleased with him - narrated that Muhammad ibn Yahya al-Attar quoted Muhammad ibn Ahmad, on the authority of Muhammad ibn Isa, on the authority of Ibn Faz’zal who narrated that Abil Hassan - the second - that is Al-Ridha (MGB) said, “One can return a slave within one year for the following four causes: insanity; leprosy; vitiligo and blockage of the vagina. ”