حَدَّثَنَا مُوسَی بْنُ إِسْمَعِيلَ حَدَّثَنَا حَمَّادٌ أَخْبَرَنَا عَلِيُّ بْنُ الْحَکَمِ عَنْ عَطَائٍ عَنْ أَبِي هُرَيْرَةَ قَالَ قَالَ رَسُولُ اللَّهِ صَلَّی اللَّهُ عَلَيْهِ وَسَلَّمَ مَنْ سُئِلَ عَنْ عِلْمٍ فَکَتَمَهُ أَلْجَمَهُ اللَّهُ بِلِجَامٍ مِنْ نَارٍ يَوْمَ الْقِيَامَةِ
سنن ابودوٗد · Hadith 3658
Narrated Abu Hurairah: The Prophet ﷺ said: He who is asked something he knows and conceals it will have a bridle of fire put on him on the Day of Resurrection.
Translated by Dr. Muhammad Muhsin Khan · Reviewed by Islamic University of Madinah · Published March 2020