Book of Purification deals with such matters as ablution, defecation, and abstersion. It relates not to inner purity but to certain acts of cleanliness, physical and ritualistic, that must be performed before reciting the statutory daily prayers.

You curse too much and are ungrateful to your spouses. I have seen none lacking in common sense and failing in religion but robbing the wisdom of the wise

Muslim theologians make no distinction between the Quran and the hadiths. To them, both are works of revelation or inspiration. The quality and degree of the revelation in both works are the same; only the mode of expression is different