Hadith 1883 - Virtues of Madinah - Sahih Al-Bukhari - صحيح البخاري - Collection of Actions, Sayings and Teachings of Prophet Muhammad (صلى الله عليه و سلم) - Kutub as-Sittah

29. Virtues of Madinah - كتاب فضائل المدينة

10) Chapter: Al-Madina expels all the evil and bad persons

Narrated Jabir:

A bedouin came to the Prophet (ﷺ) and gave a pledge of allegiance for embracing Islam. The next day he came with fever and said (to the Prophet (ﷺ) ), "Please cancel my pledge (of embracing Islam and of emigrating to Medina)." The Prophet (ﷺ) refused (that request) three times and said, "Medina is like a furnace, it expels out the impurities (bad persons) and selects the good ones and makes them perfect."

Reference: 1883
English reference: Vol. 3, Book 30, Hadith 107
In-book reference: Book 29, Hadith 17
Grade: Sahih
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10) باب الْمَدِينَةُ تَنْفِي الْخَبَثَ

حَدَّثَنَا عَمْرُو بْنُ عَبَّاسٍ، حَدَّثَنَا عَبْدُ الرَّحْمَنِ، حَدَّثَنَا سُفْيَانُ، عَنْ مُحَمَّدِ بْنِ الْمُنْكَدِرِ، عَنْ جَابِرٍ ـ رضى الله عنه ـ جَاءَ أَعْرَابِيٌّ النَّبِيَّ صلى الله عليه وسلم فَبَايَعَهُ عَلَى الإِسْلاَمِ، فَجَاءَ مِنَ الْغَدِ مَحْمُومًا، فَقَالَ أَقِلْنِي، فَأَبَى ثَلاَثَ مِرَارٍ، فَقَالَ ‏‏‏.‏ "‏ الْمَدِينَةُ كَالْكِيرِ، تَنْفِي خَبَثَهَا، وَيَنْصَعُ طَيِّبُهَا ‏"