Have an intention before fasting

This hadith teaches us that fasting is not valid unless one has the intention to fast before dawn. It is important to have an intention in order for a fast to be accepted and counted as a valid fast. This hadith also emphasizes the importance of having an intention when performing any act of worship or good deed. Having an intention helps us focus on our actions and makes them more meaningful and sincere. It also reminds us that we should always strive to do our best in all aspects of life, including acts of worship such as fasting.