Perform wudhu properly according to Islamic teachings .

This hadith is about the importance of performing wudu, which is a ritual ablution that Muslims must do before they pray. It was narrated by Abdullah bin Amr that the Prophet Muhammad (PBUH) saw some people whose heels were still dry after performing wudu, so he said “Woe to the heels from the Fire. Perform Wudu' properly”. This hadith serves as a warning for Muslims to take their ritual ablutions seriously and make sure they are doing it correctly, otherwise their heels will be punished in the fire on Judgment Day. It also teaches us that we should always strive for excellence in our religious practices and not just do them halfheartedly or without paying attention to details. Furthermore, this hadith reminds us of how important it is to follow Islamic teachings and practice them with sincerity and dedication if we want Allah's mercy on Judgment Day.