Imam observed religiously recommended instructions

A memoirs by Fatemah Tabatabaei, Imam’s daughter-in-law

Self purification in the month of Ramadan.

Imam Khomeini: One of the purposes of the bi‘that is that this Book and its Wisdom be perceived by ...

Sahifeh-ye-Imam. V 14. P 335

Imam Khomeini stresses self-conditioning, guarding against evil

Imam Khomeini has stressed through his theological works that it is essential that throughout the period of stipulation the mujahid struggling against his own self should constantly concentrate upon his actions.

One of the moral maladies is maltreatment of other people, Imam Khomeini explained

Imam Khomeini through his theological works explained that one of the moral maladies is the maltreatment of the people of his household, his neighbors, his colleagues and others around him.

Imam Khomeini warned against disregarding divine signs

Imam Khomeini through his theological works warned the humanity against disregarding clear divine signs in the world and asked the faithful people to engage in self purification in order to get ready for the Barzakh (an interval of time between the death of man and his resurrection).

According to Imam, why self purification is difficult at old age?

What stages the spiritual travelers will have to observe for self purification?