According to Imam, why self purification is difficult at old age?

Imam stressed the need to be certain in faith and trust in God Almighty

According to Imam Khomeini, if man is certain and has faith that all the outward and inward worlds are in the presence of the Lord, and that God, the Exalted, is present everywhere and sees everything, in the presence of God and God’s blessings there would be no possibility for committing sins.

Millions of Hajj pilgrims perform symbolic 'stoning of devil' as epic rituals draws to conclusion

Millions of Muslim worshipers cast pebbles in the “stoning of the devil” ritual of the annual Hajj pilgrimage in Saudi Arabia, as Muslims around the world prepare to celebrate the first day of Eid al-Adha (Feast of Sacrifice) holiday.

Millions of Muslims begin ‘biggest’ Hajj pilgrimage in years in Mecca

Millions of Muslim worshipers from across the world have started the annual Hajj pilgrimage in the holy city of Mecca in Saudi Arabia, with the rituals taking place over a period of several days and culminating in Eid al-Adha (Feast of Sacrifice).

The importance of studying from Imam Khomeini's point of view.

Imam Khomeini warned against gratifying the carnal appetites and desires

Imam Khomeini through his works warned that all our deeds shouldn't serve as the means for satisfying our desires and gratifying the carnal appetites.

Request to God for vision and brightness, Imam Khomeini explained

Imam Khomeini through his theological works advised believers that supplications are a request to God, the Exalted, for vision and brightness of the heart so one may tear the veils of light and reach the source of greatness.

Description of sensual desires according to Imam Khomeini.