The spiritual wisdom of early saints and scholars like Hasan al-Basri, Uwais al-Qarani, and Said ibn al-Musayyib.
Kitab az-Zuhd translates to or "The Book of Renunciation." Compiled by Imam Ahmad ibn Hanbal (164–241 AH / 780–855 CE), the founder of the Hanbali school of Islamic jurisprudence, this book is not a manual of strict jurisprudence ( fiqh ). Instead, it is a massive compilation of narrations, statements, and traditions centered around piety, humility, and freeing the heart from material attachment to this world ( dunya ). The True Meaning of "Zuhd"
Imam Ahmad’s compilation highlights that true Zuhd is a state of the heart that frees a believer from the anxieties of materialism, leading to ultimate peace and contentment. Structure and Content of Kitab az-Zuhd
Kitāb al-Zuhd (The Book of Asceticism) by Imam Ahmad ibn Hanbal is one of the most significant and largest surviving collections of renunciant sayings from early Islamic history. While primarily a collection of hadith and reports ( athar ), it serves as a spiritual guide on purifying the heart and detaching from worldly excess.
It is not monasticism, extreme self-mortification, or abandoning societal responsibilities.