Al-Bara said about Allah will keep firm those who believe, with the word that stands firm in this world and in the Hereafter "It was revealed concerning the torment of the grave.  

{ يُثَبِّتُ اللَّهُ الَّذِينَ آمَنُوا بِالْقَوْلِ الثَّابِتِ فِي الْحَيَاةِ الدُّنْيَا وَفِي الآخِرَةِ } قَالَ نَزَلَتْ فِي عَذَابِ الْقَبْرِ  

"Allah will keep firm those who believe, with the world that stands firm in this world, and in the Hereafter. This was revelated concerning the torment in the grave. It will be said to him (the deceased: 'Who is your Lord?' and he will say: 'My Lord is Allah and my Prophet is Muhammad. That is what is (the meaning of) His saying: Allah will keep firm those who believe, with the word that stands firm in this world, and in the Hereafter".  

عَنِ النَّبِيِّ ﷺ قَالَ { يُثَبِّتُ اللَّهُ الَّذِينَ آمَنُوا بِالْقَوْلِ الثَّابِتِ فِي الْحَيَاةِ الدُّنْيَا وَفِي الآخِرَةِ } قَالَ نَزَلَتْ فِي عَذَابِ الْقَبْرِ يُقَالُ لَهُ مَنْ رَبُّكَ فَيَقُولُ رَبِّيَ اللَّهُ وَدِينِي دِينُ مُحَمَّدٍ ﷺ فَذَلِكَ قَوْلُهُ { يُثَبِّتُ اللَّهُ الَّذِينَ آمَنُوا بِالْقَوْلِ الثَّابِتِ فِي الْحَيَاةِ الدُّنْيَا وَفِي الآخِرَةِ }  

"When died this man die?" They said: "he died during the Jahiliyyah." So he was delighted and said: "Were it not that you would not bury one another, I would have prayed to Allah to make you hear the torment of the grave."  

أَنَّ النَّبِيَّ ﷺ سَمِعَ صَوْتًا مِنْ قَبْرٍ فَقَالَ مَتَى مَاتَ هَذَا قَالُوا مَاتَ فِي الْجَاهِلِيَّةِ فَسُرَّ بِذَلِكَ وَقَالَ لَوْلاَ أَنْ لاَ تَدَافَنُوا لَدَعَوْتُ اللَّهَ أَنْ يُسْمِعَكُمْ عَذَابَ الْقَبْرِ  

"The Messenger of Allah went out after the sun had set, and heard a sound. He said '(It is ) Jews being tormented in their graves.  

خَرَجَ رَسُولُ اللَّهِ ﷺ بَعْدَ مَا غَرَبَتِ الشَّمْسُ فَسَمِعَ صَوْتًا فَقَالَ يَهُودُ تُعَذَّبُ فِي قُبُورِهَا