if someone says you have prolonged the matter for them and have made it difficult for them to prove the text on ali then to prove the text from each one of his descendants son by son then the authenticity of his lineage then the prevalence of these reports first middle and last and they dispense with all of that with one report which is that the messenger of god may god bless him and grant him peace said the imamate after me is for ali and after him for his sons. it does not depart from my lineage and my lineage is not cut off at all and none of them dies before he takes over the covenant for his son.
فإن قال قائل قد طولتم الأمر عليهم وأحرجتموهم إلى اثبات النص على علي ثم إثبات النص من كل واحد من أعقابه ولدا ولدا ثم صحة نسبه ثم استفاضة هذه الأخبار اولا ووسطا وآخرا وهم يستغنون عن جميع ذلك بخبر واحد وهو أن رسول الله صلى الله عليه وسلم قال الإمامة بعدي لعلي وبعده لأولاده لا تخرج من نسبي ولا ينقطع نسبي أصلا ولا يموت واحد منهم قبل توليته العهد لولده