The Book of Virtue, Enjoining Good Manners, and Joining of the Ties of Kinship
Ṣaḥīḥ Muslim 6646
إِنِّي لأَعْرِفُ كَلِمَةً لَوْ قَالَهَا لَذَهَبَ عَنْهُ الَّذِي يَجِدُ أَعُوذُ بِاللَّهِ مِنَ الشَّيْطَانِ الرَّجِيمِ
innī lʾaʿrifu kalimatan law qālahā ladhahaba ʿanhu adh-dhī yajidu aʿūdhu billāh mina ash-shayṭāni ar-rajīmi
Transliteration generated from the Arabic vowel marks
The full narration
Sulaiman b. Surad reported that two persons abused each other in the presence of Allah's Apostle (ﷺ) and the eyes of one of them became red as embers and the veins of his neck were swollen. Thereupon Allah's Messenger (ﷺ) said:I know of a wording, if he were to utter that, his fit of rage (would be no more and that wording is): I seek refuge with Allah from Satan the accursed. The person said: Do you find any madness in me? Ibn al-'Ala' said: Do you see it? And he made no mention of the person
Source
Ṣaḥīḥ Muslim · 6646