Use water to cleanse oneself after seminal discharge .

The hadith narrated by Abu Ayyub states that the Prophet Muhammad (PBUH) taught that water should be used to cleanse oneself after seminal discharge. This is an important teaching in Islam as it emphasizes the importance of physical and spiritual purity. It is a reminder for Muslims to maintain their physical hygiene and also their spiritual purity by avoiding any kind of impure thoughts or actions. This hadith also teaches us about the importance of modesty and respect for one's body as well as others'. Furthermore, it encourages us to take care of our health and well-being by keeping ourselves clean at all times.