Prophet’s Hadith that Modesty is Part of Islamic Faith In this hadith, the prophet reminds us that haya (modesty, etc.) is an essential part of one’s faith. Back to Hadith and Islam page. Related Islamic posts: Prophet speech on Islam as the Last Religion Hadith on Muslims and Muhajir – Sahih Bukhari Hadith on when to make or refresh Ablution – Sahih Bukhari Hadith on not praying immediately after Fajar prayers