Wash vessels seven times after they have been licked by dogs.

This hadith is about the importance of cleanliness and hygiene. The Prophet Muhammad (PBUH) instructed that if a dog licks any vessel, it should be washed seven times in order to ensure its cleanliness. This hadith emphasizes the importance of keeping our environment and belongings clean and free from germs or bacteria which can cause harm to us. It also teaches us to take precautionary measures when dealing with animals or things that may not be hygienic for us. Furthermore, this hadith encourages us to practice good hygiene habits in our daily lives so we can stay healthy and safe from illnesses or diseases caused by unclean environments or objects.