According to Hadith No. 23 of al-Nawawi's collections, cleanliness is said to be _______ of faith.

According to Hadith No. 23 of al-Nawawi's collections, cleanliness is said to be half of faith. This means that maintaining cleanliness and hygiene is extremely important in Islam and is considered to be a fundamental aspect of one's faith. It is believed that cleanliness is not only important for physical well-being but also for spiritual purity. Therefore, Muslims are encouraged to keep themselves and their surroundings clean and tidy, as it is a reflection of their faith and a way to show gratitude to Allah for the blessings of health and hygiene.