Looks in the Qur'an

Why did God Almighty download it and how it came down to the Messenger of God, how may God protect him in the hearts of Muslims by receiving, hearing, preserving and writing, and how to collect it after the death of the Messenger, peace be upon himSheikh Al -Ghazali wrote about some models and images in the verses of the Qur''an, including man, value, and success