The revelation of the Book is from Allah, the Mighty, the Knower. Forgiver of sin, and Accepter of repentance, severe in chastisement, Lord of power. There is no god but He; Unto Him is the journeying
The revelation of the knowledge (about the reality and sunnatullah) is from Allah, the Aziz, the Aleem.
Al-muntakhab fi tafsir al-Qur'an al-Karim
This is a disclosure of knowledge, wisdom and guidance proceeding from Allah, AL-Aziz (the Almighty) And AL-Alim (the Omniscient), in the form of a Book