April 18 was named the National Army Day by Imam Khomeini

The National Army Day, which is celebrated annually on April 18, was named by the founder of the Islamic Revolution, Imam Khomeini, in 1979.

Imam Khomeini stressed need for purifying intentions

Imam Khomeini recommended the faithful people of purifying their intentions, rectifying their deeds and expelling love of self .

Spiritual construction has priority over all others, Imam Khomeini explained

Imam Khomeini stressed that the country and the nation are in need of construction, and spiritual construction has priority over all others. The spiritual and physical struggle for the cause of God should begin from the ‘self’; to fight against the internal Satan. This jihad will be the basis of other jihads and struggles.

World is a path to be followed to reach the destinations, Imam Khomeini highlighted

According to Imam Khomeini, the whole world is not the ultimate goal before the Prophets. Rather, it is a path to be followed to reach the destinations which is the high grade of humanity. If a creature reached that high human grade, one will achieve a happiness which is not limited just to this world. The ultimate goal is the world behind this one.

Human have proofs for existence of God and reality of the Resurrection, Imam Khomeini explains

Imam Khomeini explains difference between knowledge and faith by saying "sometimes you see that one has knowledge of these realities but has no faith."

Think about a cure before moral maladies overpower your existence, Imam Khomeini explained

Imam Khomeini through his theological works explains that think about a cure before it is too late, and before moral maladies overpower your existence,

Imam Khomeini shed light on various kinds and degrees of Kibr

Imam Khomeini through his theological works explained that as to the kibr towards God, it is the most abominable, the most destructive.

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