What Allah says about the Quran in the Quran

 • The Book is unquestionably true (2:2).

• Allah has taken the responsibility to clarify it (75:19).

• Allah asserts that He has revealed the Quran and will safeguard it (15:9).

• Allah's communication to the Prophet (PBUH) is documented in the Quran (6:19). There is no Quranic verse that mentions Allah's revelation to the Prophet (PBUH) being external to the Quran.

• Believers are instructed to heed Allah's revelation (7:3).

• The Prophet (PBUH) was directed to adhere to the revelation sent to him (10:109).

• The Prophet (PBUH) was instructed to follow the Quran (75:18).

• Allah required the Prophet (PBUH) to adhere to the sacred Book revealed to him (6:155).

• The Prophet (PBUH) used to adjudicate based on the revelation sent to him (5:48).

• Those who do not adjudicate in accordance with what Allah has revealed are deemed disbelievers (5:44).

• In the Quran, Allah has finalized His message, and no one can alter anything within it (6:34, 6:115).

• The Quran encompasses the essence of earlier revelations (5:48). Therefore, the truth of previous revelations is now contained within the Quran.

• It is free from contradictions (4:82).

• Allah describes the Quran as "Tibyaanan li Kulli Shaiyin (16:89)," signifying that it provides explanations for all matters.

• Allah addresses particular topics with multiple verses (6:105, 17:41). This implies that we must gather all relevant verses on a subject to gain a comprehensive understanding. This is the Divine method of comprehending the Quran.