Wash your partner's secretions after having sexual intercourse and leave them before orgasm; Perform ablution; Offer prayers regularly; Be mindful when engaging in activities involving physical contact with another person; Seek forgiveness from Allah through prayers.

The hadith reported by Ubayy Ibn Ka'b teaches us about the importance of cleanliness after engaging in sexual intercourse. According to the Prophet Muhammad (PBUH), if a man has sexual intercourse with his wife but leaves her before orgasm, he should wash the secretion of his wife and then perform ablution and offer prayer. This is an important teaching as it emphasizes on maintaining cleanliness even after engaging in intimate activities. It also shows us how important it is to be mindful of our actions when we are engaging in any kind of activity, especially those that involve physical contact with another person. Furthermore, this hadith also teaches us about the importance of prayer as it is seen as a way to seek forgiveness from Allah for any wrongdoings or mistakes we may have committed during our daily lives.