Arabic (Original)
وَبِهَذَا الْإِسْنَادِ قَالَ قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ لَا يَجْتَمِعُ كَافِرٌ وَقَاتِلُهُ مِنْ الْمُسْلِمِينَ فِي النَّارِ أَبَدًا.
English Translation
And with this chain of narration, he said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "A disbeliever and his Muslim killer will never be gathered together in the Fire."