Sheikh Ahmad Roshnak, the head of supreme council of Poland made remarks in the Iranian capital in Tehran.
The polish scholar is among the dignitaries who are attending the 25th anniversary of heavenly departure of Imam Khomeini.
The academic figure noted that Imam Khomeini followed footsteps of the holy prophets of Islam and his truthful infallible successor.
The scholar also said that the great religious and spiritual leader of the Muslim world proved that Islam was a complete code of life and could satisfy the social, material and moral needs of human societies.
The great Imam also proved that religion is not a just private practice, but fully capable to govern a comprehensive Islamic-democratic system, the Polish scholar said.
He also said the personality of Imam Khomeini has been matchless in contemporary history.
The polish scholar concluded that by writing historic letter to Gorbachev, the former head of Soviet Union, Imam confirmed that Communism was on verge of collapse and Islam could fill all vacuum of social and moral needs of societies and youth.
Analysts believe Imam Khomeini genuine teachings and dynamic thought can prevent societies form falling into pits of social and moral decline.