Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī

عِيسَى بْنُ سِنَانٍ أَبُو سِنَانَ، عَنْ وَاثِلَةَ

tabarani:18519 – Ibrāhīm b. Muḥammad b. ʿIrq al-Ḥimṣī > Muḥammad b. Muṣaffá > Baqiyyah > Abū Muḥammad ʿĪsá b. Sinān > Wāthilah

[Machine] The Messenger of Allah ﷺ said, "Whoever goes to a fortune-teller and asks him about something, his prayers will not be accepted for forty nights. If he believes in what the fortune-teller said, then he has disbelieved in what Allah has revealed."  

الطبراني:١٨٥١٩ – حَدَّثَنَا إِبْرَاهِيمُ بْنُ مُحَمَّدِ بْنِ عِرْقٍ الْحِمْصِيُّ ثنا مُحَمَّدُ بْنُ مُصَفَّى ثنا بَقِيَّةُ عَنْ أَبِي مُحَمَّدٍ عِيسَى بْنِ سِنَانٍ عَنْ وَاثِلَةَ قَالَ

قَالَ رَسُولُ اللهِ ﷺ «مَا مِنْ رَجُلٍ يَأْتِي كَاهِنًا فَيَسْأَلُهُ إِلَّا حُجِبَتْ مِنْهُ التَّوْبَةُ أَرْبَعِينَ لَيْلَةً فَإِنْ هُوَ آمَنَ بِمَا يَقُولُ فَقَدْ كَفَرَ بِاللهِ»  

See similar narrations below:

Collected by Suyūṭī