Fast during the three days of al Bid with sincerity and faith in Allah's mercy and grace .

This hadith is about fasting during the three days of al Bid, which is equivalent to fasting for an entire month. The Prophet Muhammad commanded people to fast these three days as a way of worshipping Allah and seeking His pleasure. It was narrated by 'Abdul Malik bin Abi al Minhai from his father that the Prophet said that this was equal in reward and benefit as fasting for an entire month. This hadith teaches us that even small acts can have great rewards if done with sincerity and faith in Allah's mercy and grace. It also encourages us to be consistent in our worship, even if it's only a few days out of the year or week, because it can still bring great rewards from Allah Almighty.