(Al-Ahqaaf) 46 : 2
تَنْزِيلُ الْكِتَابِ مِنَ اللَّهِ الْعَزِيزِ الْحَكِيمِ

The revelation of the Book is from Allah, the Exalted, the Wise.

See explanation 40:2 and 45:2.