"‏ لَوْ أَنَّ رُصَاصَةً مِثْلَ هَذِهِ وَأَشَارَ إِلَى مِثْلِ الْجُمْجُمَةِ أُرْسِلَتْ مِنَ السَّمَاءِ إِلَى الأَرْضِ وَهِيَ مَسِيرَةُ خَمْسِمِائَةِ سَنَةٍ لَبَلَغَتِ الأَرْضَ قَبْلَ اللَّيْلِ وَلَوْ أَنَّهَا أُرْسِلَتْ مِنْ رَأْسِ السِّلْسِلَةِ لَصَارَتْ أَرْبَعِينَ خَرِيفًا اللَّيْلَ وَالنَّهَارَ قَبْلَ أَنْ تَبْلُغَ أَصْلَهَا أَوْ قَعْرَهَا ‏"

"If a pellet like this one, and he pointed to one like Al-jumjumah were to be dropped from the heavens to the earth – and it is the distance of traveling five hundred years it would reach the earth before the night-fall. But if it were dropped from the top of the chain it would travel for forty years, day and night, before it would reach its foundation or bottom.” (Hasan)