It is He Who sent down to thee, in truth, the Book (Quran),... - Anonymous, The Quran / القرآن الكريم

"It is He Who sent down to thee, in truth, the Book (Quran), confirming what went before it; and He sent down the Law (of Moses) and the Gospel (of Jesus) before this, as a guide to mankind, and He sent down the criterion (Quran) (of judgment between right and wrong). - Holy Quran 3:3"