The ( The Nourishment of Hearts ), written by Abu Talib al-Makki , is widely regarded as one of the most foundational and influential texts in the history of Islamic mysticism (Sufism).
A major portion of the text, often studied separately as the Kitāb al-tawba , focuses on the nature of sin, the necessity of repentance, and the classification of human attributes related to moral accountability. qut al qulub english pdf