[Machine] "The Prophet ﷺ used to pray until the soles of his feet became cracked. It was said to him, and he said: 'Should I not be a thankful slave?'"

أَنَّ النَّبِيَّ ﷺ كَانَ يُصَلِّي حَتَّى تَرِمَ قَدَمَاهُ فَقِيلَ لَهُ فَقَالَ أَوَلَا أَكُونُ عَبْدًا شَكُورًا