Perform ablutions properly and completely before prayer

This hadith teaches us the importance of performing ablution properly before prayer. It is important to make sure that all parts of the body are washed, including even small parts such as a nail-sized space, in order for ablution to be considered complete and valid. This hadith also emphasizes the importance of cleanliness in Islam, which is an essential part of faith and worship. It is important for Muslims to take care when performing their ablutions so that they can be sure that their prayers are accepted by Allah SWT.