Why did Imam believe that the gate to divine knowledge would be shut for ever without the Quran?

Iran successfully places homegrown satellite Nour-2 in low Earth orbit

Iran’s Islamic Revolution Guards Corps (IRGC) Aerospace Force has launched its second homegrown satellite into a low Earth orbit (LEO), nearly two years after the launch of its first military satellite.

Devotion for Imam Hossein is criterion and true sign for our deep faith in God, Dr. Ali Komsari

The head of the institute for compilation and publication of Imam Khomeini’s institute says that deep love and devotion for Imam Hossein (PBUH) has been a criterion for our faith which has been defined by the holy prophet himself.

Iran tells UN: US senator ‘inciting terrorism’ by encouraging Israel to assassinate Iranian ...

The purpose of Mab'ath descent of Divine Inspiration and the Qur’an; Imam Khomeini defined

Imam Khomeini stressed the need to follow the footsteps of the holy prophet of Islam and his pure progeny in all aspects of life.

Prophet of Mercy: A book by Iran's Leader in age of Islamophobia

Translated into Multiple languages, the 196-page English version elaborates on the life of Muhammad (PBUH), the holy Prophet of Islam.

Knowledge should draw man closer to God, Imam Khomeini explained

Imam Khomeini through his theological works says If man does not cast pollution from the core of his soul, not only will whatever studying and learning he does be of no benefit by itself, rather it will actually be harmful.

What is the significance of "Munajat-e Sha`baniyeh"?