Imam Khomeini had wanted all those speakers and mourners to pay special attention while mentioning historical facts about the events regarding early era of Islam or martyrdom of holy lady Hadrat Fatime (‘a), the dear daughter of the holy prophet of Islam or events surrounding the tragedy of Karbala.
Imam wanted those assigned to hold or organize these ceremonies to invite such scholars who have well command or done researches or present authentic contents from basic Islamic sources for the mourners.
(Extracted from a collection of memoirs about Imam)