Only this incident inseparable every custom must have, viz., that it be consonant to reason; for how long soever it hath continued, if it be against reason, it is of no force in law.
Bio: Aḥmad bin Muḥammad bin Ḥanbal Abū ʿAbd Allāh al-Shaybānī was an important Muslim scholar and theologian. He is considered the founder of the Hanbali school of Islamic jurisprudence.
