Perform ghusls regularly especially on Fridays.

This hadith emphasizes the importance of performing Ghusl, which is a ritual bath in Islam, at least once a week. It is preferable to do it on Fridays as it is considered to be an act of worship and brings one closer to Allah. This hadith also teaches us the importance of cleanliness and hygiene in our lives as Muslims. It reminds us that we should take care of our physical health and well-being by regularly cleaning ourselves with water. Furthermore, this hadith encourages us to make time for spiritual cleansing by performing Ghusl every week so that we can stay connected with Allah and remain spiritually healthy too.