Mas’ala 9998الفروعHanbalivol. 7, p. 132vol. 7, p. 132 وَهُوَ سُنَّةٌ "ع" وَيَجِبُ بِنَذْرِهِ "ع" . Read the whole chapterCopy with source On the map: Retreat in the mosqueCompare