How to prepare for era of Imam Mahdi (PBUH)

What comes following is leader of the Islamic Revolution Ayatollah Khamenei's statements made at a meeting with the people of Qom, February 19, 1992.

Imam Khomeini defined philosophy of divine savior

The late founder of the Islamic Republic described the decisive role of twelfth infallible Imam Mahdi (PBUH) Known as divine savior in establishing justice and uprooting tyranny.

Imam Khomeini introduced new horizons about an end-times savior

Imam Khomeini, the late founder of the Islamic Republic introduced new perspectives about an-times divine savior. Imam in this regard said as following:

Belief of divine savior has deep roots in monotheistic religions

Imam Khomeini, the late founder of the Islamic Republic explained through his theological works that belief of divine savior have not only deep roots in basic Islamic sources such as Quran and Sunnah, but also well established in all other divine religions as well.

Imam highlighted significance of belief in divine savior

The founder of the Islamic Republic used to highlight significance of the 15th Sha'ban, the birthday anniversary of twelfth infallible Imam Known as savior-and described the event as the most significant Eid for all humankind.

Imam Khomeini Introduces the 12th Imam as the Great Savior of Humanity

"He fills the earth with justice after it is replete with tyranny." Imam Khomeini made the remarks on the auspicious occasion of Imam Mahdi's birth anniversary.

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,

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