Why did Imam attach great significance to internal struggle?

Imam Khomeini explained how sins corrupt the heart

Imam Khomeini through his books and works explained that not only are these illnesses unaccompanied by pain, but they also bring apparent pleasure. Meetings and sessions of backbiting are very warm and sweet! Love of the self and love of the world, which are the roots of all sins, are pleasurable.

Human soul inhabits sublime world, Imam Khomeini explained

Imam Khomeini through his theological works explained that the human soul inhabits another realm and another territory also, which is the world of the hidden and the sphere of the sublime world.

Imam Khomeini underlined sphere of sublime world

Imam Khomeini through his works has explained that the jihad al-nafs or the internal struggle is of great significance for all great religious thinkers and mystics.

Imam Khomeini advised seminary students to make plans to realize the results and effects

Imam Khomeini once addressing the seminary students said: You should make plans to realize the results and effects of you work, and you should be serious about reaching your fundamental and basic goal. When you enter the seminary, before anything else, you should plan to reform yourselves.

God blessed humans with blessings, intellect, Imam Khomeini highlighted

Imam Khomeini explained that God the Almighty blessed humans with the power to refine and purify themselves.

Internal struggle is of great significance for all great religious thinkers, Imam Khomeini ...

According to Imam Khomeini, the jihad al-nafs or the internal struggle is of great significance for all great religious thinkers, mystics, and moralists.

God will not leave you unpaid, Imam Khomeini advised faithful people

Imam Khomeini through his theological works advised the faithful people to take some trouble on the way to God.