How did Imam encourage seminary students for acquiring knowledge and purification of soul?

The attachment to material world leads gradually denial of truths, Imam explained

Imam Khomeini through his theological works explains that one comes to gradually deny these truths due to the effects of sins and the attachment of the heart to this world,

Hearts must turn towards love for God Almighty

Imam Khomeini explained that as long as self-love lies embedded in his essence, he will not reach the station of the sincere (mukhlisun) and the lovers of God.

Imam Khomeini advised faithful people to strengthen their spiritual powers to acquire nobility of ...

Imam Khomeini advised faithful people to strengthen their spiritual powers, to acquire nobility of character, and to gain spirituality and piety [taqwa].

Behave well with people, and in company, and be compassionate and kind.

Imam Khomeini advised believers to behave well with people, and in company, and be compassionate and kind.

If man neglects God, the Exalted, it raises dark veils, Imam Khomeini explained

According to Imam, attention to other than God covers man with veils of darkness. If any worldly affair is a cause for man’s attention to be directed toward the world and to neglect God, the Exalted, it raises dark veils.

All of the corporeal worlds are dark veils, Imam Khomeini explained

Imam Khomeini through his theological works explained that all of the material and corporeal worlds are dark veils.

Attention to other than God covers man with veils of darkness, Imam Khomeini explained

Imam Khomeini through his theological works explained that attention to other than God covers man with veils of darkness..