The greedy is never satisfied with Halal things (religiously permissible), this excessive greediness is a driving force which causes them to go toward others as predator and seize their properties and oppress and trample their rights, despite the fact that they don’t need what they voraciously yearn to possess.
according to holy Quran this is the very beastlike soul of them which is known as Nafse Amare in the holy Quran and it motivates the human beings to impurity, corruption and sins.
If the desires are developed freely in human's body and soul, that certainly leads human toward deviation and corruption, but if someone steadfastly stays against the Nafse Amare from adolescence, he can easily stay against the sins and sinners in elderly ages if he is invited to sins.
The Shia must purify his soul and inner self; if the inner self is kept pure the appearance abides by accordingly.
source : erfan.ir
