رِيَاضُ الصَّالِحِينَ
Riyad as-Salihin 404
The Book of Miscellany
Fear (of Allah)
وعنه قَالَ: كُنَّا مَعَ رَسُولِ اللَّهِ، صَلَّى اللَّه عَلَيْهِ وَسَلَّمَ إذا سمع وجبة فَقَالَ: "هَلْ تَدْرُونَ مَا هَذَا؟" قُلْنَا: اللَّهُ وَرَسُولُهُ أَعْلَمُ. قَالَ: هَذَا حَجَرٌ رمى بِهِ فِي النَّارِ مُنْذُ سَبْعِينَ خَرِيفًا فَهُوَ يَهْوِي فِي النَّارِ الآنَ حَتَّى انتهي إِلَى قعره، فسمعتم وجبتها" ((رَوَاهُ مُسْلِم)).
Abu Hurairah (May Allah be pleased with him) reported: We were in the company of Messenger of Allah (ﷺ) when we heard a bang. Thereupon Messenger of Allah (ﷺ) said. "Do you know what this (sound) is?" We said, "Allah and His Messenger know better." He (ﷺ) said, "That is a stone which was thrown into Hell seventy years before and it has just reached its bottom". [Muslim].
Riyad as-Salihin, 404