We were in the holy city of Najaf that I requested Imam Khomeini to give me a word of advice.
Thus he said:
The best advice has been given us by God in the holy Quran saying,
“I give you just a single advice: that you rise up for Allah’s sake, in twos, or individually, and then reflect.”
Narrated by: Ayatollah Mohammad Mo'men
Taken from: Pasdar-e Eslam journal, no. 102