How did Imam highlight the significance of holy month of Ramadan?

Imam Khomeini Used to Stay Awake on Nights of Qadr

The great Imam used to stay awake during nights of Qadr to say prayers, recite supplications and recommended the youth to undertake serious efforts for purification of their hearts and souls during these sacred days and nights.

Polytheists causing harm to themselves, Imam Khomeini explained

Imam Khomeini through his works has mentioned that God the Almighty made clear the difference between good and evil, beautiful and ugly to us and warned us of the perils and hazards to be met on the road of human perfection.

What did Imam used to advise believers to observe during Ramadan?

Imam Khomeini had very strong reliance on God Almighty

Imam would frequently visit holy shrine of Hazrat Masoumeh (a.s).

A memoir by Ayatollah Khansari

All tasks should be done for God sake, Imam Khomeini explained

Supplications of infallible Imams glorify God, the Almighty

Imam Khomeini explained that the prayers and supplications of His chosen servants and the infallible Imams contain treasures of mysticism and glorify God the Almighty.