Perform religious duties properly with attention to detail .

This hadith is about how Ali ibn Abi Talib demonstrated the proper way of performing ablution as taught by Prophet Muhammad. He showed that each part of the ritual should be done three times, and then wiped his head and washed his feet up to the ankles. The importance of this hadith lies in its demonstration of cleanliness and following rituals as prescribed by Islam. It teaches us that we should take care to perform our religious duties properly, with attention to detail, so that we can reap their full benefits. Additionally, it also shows us the importance of learning from those who have knowledge and experience in a particular field or practice.