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
bukhari:7043 – ʿAlī b. Muslim > ʿAbd al-Ṣamad > ʿAbd al-Raḥman b. ʿAbdullāh b. Dīnār a freed slave of Ibn ʿUmar from his father > Ibn ʿUmar

Messenger of Allah ﷺ said, "The worst lie is that a person claims to have seen a dream which he has not seen."  

البخاري:٧٠٤٣ – حَدَّثَنَا عَلِيُّ بْنُ مُسْلِمٍ حَدَّثَنَا عَبْدُ الصَّمَدِ حَدَّثَنَا عَبْدُ الرَّحْمَنِ بْنُ عَبْدِ اللَّهِ بْنِ دِينَارٍ مَوْلَى ابْنِ عُمَرَ عَنْ أَبِيهِ عَنِ ابْنِ عُمَرَ

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ مِنْ أَفْرَى الْفِرَى أَنْ يُرِيَ عَيْنَيْهِ مَا لَمْ تَرَ  

See similar narrations below:

Collected by Mālik, Aḥmad, Suyūṭī
malik:47-3 – Mālik > Ibn Shihāb > ʿAlī b. Ḥusayn b. ʿAlī b. Abū Ṭālib

Yahya related to me from Malik from Ibn Shihab from Ali ibn Husayn ibn Ali ibn Abi Talib that the Messenger of Allah ﷺ said, "Part of the excellence of a man's Islam is that he leaves what does not concern him."  

مالك:٤٧-٣ – وَحَدَّثَنِي عَنْ مَالِكٍ عَنِ ابْنِ شِهَابٍ عَنْ عَلِيِّ بْنِ حُسَيْنِ بْنِ عَلِيِّ بْنِ أَبِي طَالِبٍ

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ مِنْ حُسْنِ إِسْلاَمِ الْمَرْءِ تَرْكُهُ مَا لاَ يَعْنِيهِ  

ahmad:5711 – ʿAbd al-Ṣamad > ʿAbd al-Raḥman b. ʿAbdullāh b. Dīnār a freed slave of Ibn ʿUmar from his father > Ibn ʿUmar

[Machine] That the Messenger of Allah ﷺ said: "One of the best kinds of dreams is for a person to see something with their own eyes in a dream that they have never seen before."  

أحمد:٥٧١١ – حَدَّثَنَا عَبْدُ الصَّمَدِ حَدَّثَنَا عَبْدُ الرَّحْمَنِ بْنُ عَبْدِ اللهِ بْنِ دِينَارٍ مَوْلَى ابْنِ عُمَرَ عَنِ أَبِيهِ عَنِ ابْنِ عُمَرَ

أَنَّ رَسُولَ اللهِ ﷺ قَالَ إِنَّ مِنْ أَفْرَى الْفِرَى أَنْ يُرِيَ عَيْنَيْهِ فِي الْمَنَامِ مَا لَمْ تَرَيَا