Imam Ahmad said: We have written the [Prophetic] traditions from six [different] routes and seven routes and have not precisely verified it, so how can he who writes it from only one route [do so]?! [1]


[1] Manaqib Al-Imam Ahmed by Ibn Al-Jawzi p.57

قال الإمام أحمد: نحن كتبنا الحديث من ست وجوه أو سبع وجوه لم نضبطه, كيف يضبطه من كتبه من وجه واحد؟!ـ