[Machine] Ibn Sirin was a man from the companions of Muhammad ﷺ who would endure days without eating. When he found a piece of skin, he would cut it into strips and if he did not find a nerve on his stomach, he would use a stone.
ابْنُ سِيرِينَ كَانَ الرَّجُلُ مِنْ أَصْحَابِ مُحَمَّدٍ ﷺ يَمْكُثُ أَيَّامًا لَا يَأْكُلُ فَإِذَا وَجَدَ جِلْدَةً اجْتَزَأَ بِهَا فَإِنْ لَمْ يَجِدْ عَصَبَ عَلَى بَطْنِهِ حَجَرًا