Sahih al-Bukhari 109

Arabic

حَدَّثَنَا مَكِّيُّ بْنُ إِبْرَاهِيمَ، قَالَ حَدَّثَنَا يَزِيدُ بْنُ أَبِي عُبَيْدٍ، عَنْ سَلَمَةَ، قَالَ سَمِعْتُ النَّبِيَّ صلى الله عليه وسلم يَقُولُ ‏ "‏ مَنْ يَقُلْ عَلَىَّ مَا لَمْ أَقُلْ فَلْيَتَبَوَّأْ مَقْعَدَهُ مِنَ النَّارِ ‏"‏‏.‏

Translation

Narrated Salama:I heard the Prophet (ﷺ) saying, "Whoever (intentionally) ascribes to me what I have not said then (surely) let him occupy his seat in Hell-fire

Authenticity

Sahih

Reference