In an all-encompassing manner, Rituals of a Worshiping Heart describes the heart, it’s been responsible for perception and cognitive response, its virtues, and importance, and follows with discussions regarding how the heart becomes corrupted and how it can be remedied.
As such, it discussed five heart-related acts of worship around which the actions of all limbs revolve.
All these were followed with the mentioning of some important basic characters connected to the heart as examples of other beautiful characters and enviable attributes.
A comparison between the heart-related acts of worship and those of the limbs corroborates the importance of paying attention to the heart's rectification.
In all of that, the author mostly depended on the verses of the Qur'an and the Sunnah, citing appropriate statements and actions from the Pious Predecessors.