ENOfficial
It was narrated from Huthaifah that the Prophet (ﷺ) met him when he was Junub: "And he came close to me and reached out his hand. I said: 'I am Junub.' He said: 'The Muslim is not made impure (Najis).'"
Source: sunnah.com
Other translations
Arabic
أَخْبَرَنَا إِسْحَاقُ بْنُ مَنْصُورٍ، قَالَ أَخْبَرَنَا يَحْيَى، قَالَ حَدَّثَنَا مِسْعَرٌ، قَالَ حَدَّثَنِي وَاصِلٌ، عَنْ أَبِي وَائِلٍ، عَنْ حُذَيْفَةَ، أَنَّ النَّبِيَّ صلى الله عليه وسلم لَقِيَهُ وَهُوَ جُنُبٌ . فَأَهْوَى إِلَىَّ فَقُلْتُ إِنِّي جُنُبٌ فَقَالَ " إِنَّ الْمُسْلِمَ لاَ يَنْجُسُ " .
sunnah.com