Originally Posted by Javed Ahmed Nizamani

While you answered it well bro, according to me message of Quran is fulfillment of God's will. Quran can be divided into two broad categories. One tells humanity about hereafter and other part tells about ways and preconditions to achieve good in this and eternal life. Unity of God is fundamental message of Quran. Other part deals with God's instructions to live a successful life here and achieve best in hereafter. Message of Quran is best summarised in Surah-e-Asar which is based on four principles. It states categorically that all humanity is on wrong path, except 1) people with faith 2) Good actions, 3) truth and 4) Patience. Whereas your answer is also absolutely right bcs topic of Quran is Humans.