Follow instructions from the prophet , Take care of physical health by cleansing oneself regularly .

This hadith is about the importance of performing ablution, or ghusl, for newly converted Muslims. The Prophet instructed Qais bin Asim to perform ghusl using both water and sidr. This shows that it is important for Muslims to cleanse themselves spiritually as well as physically when they convert to Islam. It also demonstrates the importance of following the instructions of the Prophet in order to be a good Muslim. Additionally, this hadith teaches us that we should take care of our physical health by cleansing ourselves regularly in order to stay healthy and pure.