Intimations of Prophet-hood:
The Messenger of Allah (may Allah bless him and grant him peace) was forty when the first glimpses of light and of his future happiness appeared. The time of his mission approached. It had always been the Divine practice that whenever the darkness had become too intense and the wickedness widespread, a Messenger appeared.
The Messenger of Allah's distaste for what he saw reached a peak. It was as if he was being guided towards a certain spiritual destination. He loved going into retreat. He was always content when he could be on his own. He used to walk away from Makkah until he was well out of sight of the houses. He got to know all the paths, the flat areas and the valleys outside Makkah. From every rock or tree he passed he heard, 'Peace be upon you, Messenger of Allah.' But when he looked around, to his right, to his left and behind him, he could see nothing but trees and rocks.
The first intimations of the future came in the form of dreams, so vivid that they were as clear as the break of day.