Imam attending mourning ceremonies at the month of Muharram.

Imam Khomeini: With the appearance of the new moon, Muharram, the month of heroism, bravery, and ...

Sahifeh-ye-Imam. V 5, P 74

Imam remained present from the beginning to end at Muharram ceremonies

A memoirs by Hojjat al-Islam Ansari Kermani

Imam Khomeini: Muharram and Safar are blessed months through which Islam is kept alive.

Sahifeh- ye- Imam, V 15, P 287

Imam Khomeini's words on Mont of Muharram

Imam Khomeini called Muharram the month of sacrifice.

The month of Muharram from Imam Khomeini's point of view

Imam Khomeini warned against lack of faith certainty

They know the proofs for the existence of God and the reality of the Resurrection, but these very same intellectual proofs may be veils covering the heart which do not permit the light of faith to shine in.