Two Men, one of whom kills the other, and both will enter Paradise Sahih Muslim 1890 b
Arabic hadith text
وَحَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، وَزُهَيْرُ بْنُ حَرْبٍ، وَأَبُو كُرَيْبٍ قَالُوا حَدَّثَنَا وَكِيعٌ،
عَنْ سُفْيَانَ، عَنْ أَبِي الزِّنَادِ، بِهَذَا الإِسْنَادِ مِثْلَهُ
Translation
The same tradition has been narrated on the authority of Abu Zinad (with the same chain of transmitters).