Mishkat al-Masabih
Mishkat al-Masabih 1527
Arabic hadith text
وَعَنْ ثَوْبَانَ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «إِنَّ الْمُسْلِمَ إِذَا عَادَ أَخَاهُ الْمُسلم لم يزل فِي خُرْفَةِ الْجَنَّةِ حَتَّى يَرْجِعَ» . رَوَاهُ مُسْلِمٌ
Translation
Thawban said: The Messenger of God said: When a Muslim visits his Muslim brother, he continues to reap the fruits of Paradise until he returns.
Muslim transmitted it.