Sahih Muslim 2230
Sahih Muslim · Book 39: The Book of Greetings · The Prohibition Of Soothsaying And Going To Soothsayers
Safiyya reported from some of the wives of Allah's Apostle (ﷺ) Allah's Apostle (ﷺ) having said:
حَدَّثَنَا مُحَمَّدُ بْنُ الْمُثَنَّى الْعَنَزِيُّ ، حَدَّثَنَا يَحْيَى، - يَعْنِي ابْنَ سَعِيدٍ - عَنْ عُبَيْدِ اللَّهِ ، عَنْ نَافِعٍ ، عَنْ صَفِيَّةَ ، عَنْ بَعْضِ ، أَزْوَاجِ النَّبِيِّ صلى الله عليه وسلم عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " مَنْ أَتَى عَرَّافًا فَسَأَلَهُ عَنْ شَىْءٍ لَمْ تُقْبَلْ لَهُ صَلاَةٌ أَرْبَعِينَ لَيْلَةً " .
He who visits a diviner ('Arraf) and asks him about anything, his prayers extending to forty nights will not be accepted.