Wash oneself after becoming ritually impure before engaging in any religious activities such as fasting during Ramadan .

This hadith is about how even when one is in a state of ritual impurity due to sexual intercourse, they should still wash themselves and observe the fasts during Ramadan. This shows that even if one makes mistakes or falls short in their religious obligations, they should not give up on them entirely. Instead, they should strive to make up for it by continuing with their religious duties such as fasting during Ramadan. It also teaches us that we must always strive to do our best and never give up on our faith no matter what happens. Additionally, this hadith also emphasizes the importance of cleanliness and purity as part of our faith by reminding us that we must always wash ourselves after becoming ritually impure before engaging in any religious activities such as fasting during Ramadan.