"The Messenger of Allah said: 'When the last people of this Ummah curse the first, (at that time) whoever conceals a Hadith will be concealing what Allah has revealed.'" (Maudu')
قَالَ رَسُولُ اللَّهِ ﷺ إِذَا لَعَنَ آخِرُ هَذِهِ الأُمَّةِ أَوَّلَهَا فَمَنْ كَتَمَ حَدِيثًا فَقَدْ كَتَمَ مَا أَنْزَلَ اللَّهُ