"The first thing by which started the revelation to the Messenger of Allah, the premonitory dream. He saw in a dream that came true events exactly as they had seen them. "

Then he went to the cave of Hira 'to meditate from time to time. Then one day he came to our master Jibril when he was in the cave and the Messenger of Allah sallallaahu the Lahou 3alayhi wa sallam had then reached the age of forty. He then said: