1. Purification
١۔ كِتَابُ الطَّهَارَةِ
"The Messenger of Allah said: 'If anyone of you touches his penis, let him perform ablution.'" (Using translation from Ibn Mājah 479)
أَنَّهَا سَمِعَتْ رَسُولَ اللهِ ﷺ يَقُولُ «إِذَا مَسَّ أَحَدُكُمْ ذَكَرَهُ فَلْيَتَوَضَّأْ»