Have faith in Allah and His mercy; Do good deeds; Be mindful and aware; Cool down intense heat with water.

This hadith is about cooling the heat of hell with water. It was narrated by Ibn Umar, who reported that Allah's Messenger said that the fever from the vehement raging of the heat of hell can be cooled with water. This hadith teaches us to be mindful and aware that we should not do anything which will lead us to hell, as it will be a place full of intense heat and suffering. We should strive to do good deeds in this life so that we can avoid going there in our afterlife. Furthermore, this hadith also teaches us to have faith in Allah and His mercy, as He has provided a way for us to cool down even if we end up in hell due to our sins.