Abdullah bin Umar reported,

A man came to Ibn Umar and said, "Abu Abdul-Rahman, do you not hear what Allah has mentioned in His Book, 'And if two parties among the believers fight one another' [Hujurat 49:9] to the end of the verse? What prevents you from fighting as Allah has mentioned in His Book?"He replied, "Nephew, that I should rely on this verse and not fight is dearer to me than relying on the verse in which Allah the Exalted says, 'And whoever kills a believer intentionally' [Nisa 4:93] to the end of it."The man said, "But Allah says, 'And fight them until there is no more discord' [Baqarah 2:193]."Ibn Umar said, "We did so in the time of the Messenger of Allah ﷺ, when Islam was still small in numbers and a man would be persecuted for his religion. They would either kill him or bind him in chains, until Islam grew strong and there was no more persecution."When the man saw that Ibn Umar would not agree with what he wanted, he asked, "What do you say about Ali and Uthman?"Ibn Umar replied, "What is my view of Ali and Uthman? As for Uthman, Allah had pardoned him, but you disliked that he should be pardoned. As for Ali, he is the cousin of the Messenger of Allah ﷺ and his son-in-law," and he gestured with his hand and said, "and there is his daughter," or "his daughter, where you can see her."

Bukhari 4650

Sahih

حدثنا الحسن بن عبد العزيز حدثنا عبد الله بن يحيى حدثنا حيوة عن بكر بن عمرو عن بكير عن نافع

عن ابن عمر رضي الله عنهما

أن رجلا جاءه فقال يا أبا عبد الرحمن ألا تسمع ما ذكر الله في كتابه {وإن طائفتان من المؤمنين اقتتلوا} إلى آخر الآية فما يمنعك أن لا تقاتل كما ذكر الله في كتابه فقال يا ابن أخي أغتر بهذه الآية ولا أقاتل أحب إلي من أن أغتر بهذه الآية التي يقول الله تعالى {ومن يقتل مؤمنا متعمدا} إلى آخرها قال فإن الله يقول {وقاتلوهم حتى لا تكون فتنة} قال ابن عمر قد فعلنا على عهد رسول الله ﷺ إذ كان الإسلام قليلا فكان الرجل يفتن في دينه إما يقتلونه وإما يوثقونه حتى كثر الإسلام فلم تكن فتنة فلما رأى أنه لا يوافقه فيما يريد قال فما قولك في علي وعثمان قال ابن عمر ما قولي في علي وعثمان أما عثمان فكان الله قد عفا عنه فكرهتم أن يعفو عنه وأما علي فابن عم رسول الله ﷺ وختنه وأشار بيده وهذه ابنته أو بنته حيث ترون

البخاري 4650صحيح
Contents
Reference
Commentary
Ayat
Collection
Sahih Bukhari
Book
Tafsir
Chapter
Fight them until there is no fitnah
Numbering
Darussalam 4650
Bukhari 4650