This text is a detailed commentary on 40 selected traditions narrated through the Prophet and his Ahl al-Bayt (peae be upon them) on topics of ethics and spirituality.
Thirty-three of the hadith Imam Khomeini selected pertain to Islamic ethics, including acts which bring reward or punishment.
The other seven focus on beliefs and concepts related to the Theology of Twelvers.
The very first hadith is on Jihad of the self that aims at self-improvement elevating oneself through self-control and self-discipline and shun pride (kibr), ostentation/show-off (riya), self-conceit (ujb), envy (hasad), love of the world, anger (ghadhab), prejudice (asabiyyah) and hypocrisy (nifaq). In his collection, Imam Khomeini has included the ahadith that help us elevate our status through intellect (tafakkur), trust in God (tawakkul), man’s natural instincts to seek out God, meeting with God and to fear (khawf) Him.
The original work in Persian, recently published under the title “Arba’in, ya chihil hadith” was written by Imam al-Khumayni forty-six years ago and was completed in the month of Muharram 1358 (April-May, 1939).
The manuscript of this work, together with that of two other unpublished works of the author, Sharh Du’ae sahar, and Adab al-salat, were recovered from the library of the late Ayatullah Akhund al-Hamadani. All the three works have now been published.
In the preface of the book Imam says as following:
Lord! Grant brightness of sincerity to the mirror of the heart, Cleanse the rust of hypocrisy from the tablet of the heart, and show the path of virtue and salvation to the helpless wanderers in the mazes of the bewilderment and error and confusion. Endow us with the nobleness and generosity of character. Reveal to us your glory and splendor that you have reserved only for your chosen servants.
Expel the legions of Satan and ignorance from the realms of our heart; implant the divine hosts of knowledge and wisdom in their stead. Enrich our hearts with the profusion of your love and that of your Chosen in this transitory world, this ephemeral lodging place. And shower Your choicest blessing upon us at the time of death and thereafter. Extend to us your mercy, and grant us proximity to the Highest Good.
Imam also describes purpose of the writing book as following:
I, a humble servant of God, was contemplating for some time, to select forty hadithfrom among the ahadith of the members of the Household of the Prophet (S) from the authentic books of the sahabah, and scholars, and was trying to compile them with an appropriate explanation of each of them that can be applied to the general conditions of the people. I chose to write them in Persian, so that the Persian knowing people may also be benefited from them. God willing, this compilation would be an attempt to serve the command of the Prophet (peace be upon him) who said:
From among my followers, one who shall preserve and protect my forty ahadith, so that my people may be benefited from them, God Almighty will treat him on the Day of Resurrection with great men of wisdom and learning (jurisprudence).
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