Imam Khomeini, the late founder of the Islamic Republic time and again emphasized through his theological works that the possibility of moral refinement always exists as long as man is alive.
According to Imam, the man who delivers himself from all levels of deficiency, wretchedness, polytheism [shirk],and hypocrisy and attain the higher levels of perfection and spiritual felicity.
From Imam's viewpoint, it is possible for men to transform all his attributes and moral characteristics.
Imam used to recommend believers to undertake serious efforts for spiritual transformation and decorate themselves with divine virtues in order to find prosperity in this world and salvation hereafter.