كُلُّ نَفْسٍ ذَآئِقَةُ ٱلْمَوْتِ ۗ وَإِنَّمَا تُوَفَّوْنَ أُجُورَكُمْ يَوْمَ ٱلْقِيَـٰمَةِ ۖ فَمَن زُحْزِحَ Prophet Muhammad ﷺ usually went for the nearby Hira Cave and meditated. He was forty several years previous. Someday, whilst he was praying, an angel named Jibril appeared to him, hugged him, and commanded him to "read." https://mirrorbookmarks.com/story20807337/islamic-guide-secrets