(as regards the explanation of Hadith 454). 'Indeed, it (Hell) throws about sparks (huge) as Forts.' We used to collect wood in the form of logs, three cubits long or shorter. for heating purposes in winter., and we used to call such wood, the Qasr.
كُنَّا نَرْفَعُ الْخَشَبَ بِقَصَرٍ ثَلاَثَةَ أَذْرُعٍ أَوْ أَقَلَّ فَنَرْفَعُهُ لِلشِّتَاءِ فَنُسَمِّيهِ الْقَصَرَ