The Companies - 39:28 A smooth Quran in Arabic, may they be righteous
Why was the Qur'an revealed?
Prophet Abraham/14:52 This is a warning to the people. That they may listen to this warning and know that He is the only God, and that those who have understanding may take counsel.

Prophet Hud/11:1 A.L.R. (This is) a Book whose verses have been made firm by One Wise and All-Knowing, and then explained and elaborated.
Prophet Hud/11:2 So that you may not serve other than Allah. Surely I am a warner and a bearer of glad tidings to you from Him.

The Table Spread/5:48 We have sent down to you this Book, which confirms the previous Books and replaces them, as a comprehensive truth, so judge between them by what Allah has sent down to you. Do not leave the truth that has come to you and follow their whim. We have appointed for each of you a law and a method, and if Allah had willed, He would have made you all one people. But He tests you with what He has given you. Compete in good deeds. To Allah is the return of all of you. He will inform you of the matters on which you differ.

The Arabic Letter Sad/38:29 Blessed is this Book which We have sent down to you, that they may examine its verses and that those of understanding may take admonition.

The Bee/16:89 On the Day when We send from every community a witness against them and We bring you as a witness against them. We have sent down to you this Book as an explanation of all things, a guidance, a mercy and good tidings for the Muslims.

Ta-Ha/20:113 So We have sent it down as a Qur´an in Arabic, and We have explained in it the news of the future in various forms so that they may act righteously or it may be a reminder for them.

Prophet Abraham/14:1 A.L.R. is a Book. We have sent it down to you so that you may bring people out of darkness into the light by the permission of their Lord, the Way of the Mighty and Praiseworthy. .

Yaseen/36:5 This is a revelation sent down by the Most High and Most Merciful.
Yaseen/36:6 That you may warn a people who have remained totally ignorant because their forefathers were not warned.

The Smoke/44:3 We sent it down on a blessed night to warn.

The Bee/16:102 "Say, "The Holy Spirit has sent it down from your Lord with the truth, that it may strengthen those who believe and be a guidance and good news for the Muslims."

The Iron/57:9 It is He Who has sent down to His servant the clear signs to bring you out of darkness into light. Surely Allah is Compassionate towards you, Most Merciful.

The Night Journey/17:82 We have sent down the Qur´an as a healing and mercy for those who believe, while it only increases the harm of the wrongdoers.

Prophet Jonah/10:57 O people, there has come to you from your Lord a reminder, a healing for whatever troubles the hearts, a guidance and a mercy for those who believe.

The Poets/26:209 This is a warning and a message; for We do not wrong.

The Cattle/6:155 And this is a blessed Book which We have sent down. So you should follow it and act righteously so that mercy may be shown to you.
The Cattle/6:156 "So do not say, "Two groups before us were given the Book, but we were ignorant of their teachings"."