1116 - وَ رُوِيَ عَنْ إِسْمَاعِيلَ بْنِ مُسْلِمٍ أَنَّهُ سَأَلَ اَلصَّادِقَ عَلَيْهِ اَلسَّلاَمُ: عَنِ اَلصَّلاَةِ خَلْفَ رَجُلٍ يُكَذِّبُ بِقَدَرِ اَللَّهِ عَزَّ وَ جَلَّ قَالَ «لِيُعِدْ كُلَّ صَلاَةٍ صَلاَّهَا خَلْفَهُ.
Hadith.1116 - It was narrated from Isma'il ibn Muslim that he asked Imam Jafar ibn Muhammad Al-Sadiq 
about praying behind a man who denies (or rejects) the decree (Qadar) of Allah (swt), the Mighty and Majestic.
He (Al-Sadiq) replied: "He should repeat every prayer he performed behind him”.
