صحيح البخاري Sahih Bukhari كتاب الأحكام The Book of Al-Ahkam (Judgements)
بَابُ مَنْ بَايَعَ ثُمَّ اسْتَقَالَ الْبَيْعَةَ:

(47) Chapter. Whoever gave the Baia (pledge) and then cancelled it.

1 hadith
Hadith 7211
حَدَّثَنَا عَبْدُ اللَّهِ بْنُ يُوسُفَ ، أَخْبَرَنَا مَالِكٌ ، عَنْ مُحَمَّدِ بْنِ الْمُنْكَدِرِ ، عَنْ جَابِرِ بْنِ عَبْدِ اللَّهِ ، " أَنَّ أَعْرَابِيًّا بَايَع رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ عَلَى الْإِسْلَامِ ، فَأَصَابَ الْأَعْرَابِيَّ وَعْكٌ بِالْمَدِينَةِ ، فَأَتَى الْأَعْرَابِيُّ إِلَى رَسُولِ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ ، فَقَالَ : يَا رَسُولَ اللَّهِ ، أَقِلْنِي بَيْعَتِي ، فَأَبَى رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ ، ثُمَّ جَاءَهُ ، فَقَالَ : أَقِلْنِي بَيْعَتِي ، فَأَبَى ، ثُمَّ جَاءَهُ ، فَقَالَ : أَقِلْنِي بَيْعَتِي ، فَأَبَى ، فَخَرَجَ الْأَعْرَابِيُّ ، فَقَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ : إِنَّمَا الْمَدِينَةُ كَالْكِيرِ تَنْفِي خَبَثَهَا وَيَنْصَعُ طِيبُهَا " .
Narrated Jabir bin `Abdullah: A bedouin gave the Pledge of allegiance to Allah's Apostle for Islam. Then the bedouin got fever at Medina, came to Allah's Apostle and said, "O Allah's Apostle! Cancel my Pledge," But Allah's Apostle refused. Then he came to him (again) and said, "O Allah's Apostle! Cancel my Pledge." But the Prophet refused Then he came to him (again) and said, "O Allah's Apostle! Cancel my Pledge." But the Prophet refused. The bedouin finally went out (of Medina) whereupon Allah's Apostle said, "Medina is like a pair of bellows (furnace): It expels its impurities and brightens and clears its good.
Hadith Reference Sahih Bukhari / The Book of Al-Ahkam (Judgements) / Hadith: 7211
Hadith Grading محدثین: أحاديث صحيح البخاريّ كلّها صحيحة