This verse, revealed in Mecca, instructs humanity to adhere solely to the divine revelation sent by Allah, specifically the Quran, and to reject any other allies or guidance.

Ibn Kathir explains that "what has been revealed to you from your Lord" refers to the Quran brought by Prophet Muhammad (PBUH). This command emphasizes the Quran's role as the ultimate source of guidance, leading people "out of darkness into light" (14:1). The phrase "do not follow other than Him any allies" (وَلَا تَتَّبِعُوا۟ مِن دُونِهِۦٓ أَوْلِيَآءَ) warns against deviating from Allah's judgment and following other sources or protectors. This encompasses rejecting polytheism (shirk) and any human-made laws or ideologies that contradict divine law.

Theological insights include the principle of *Tawhid* (Oneness of God) in legislation and guidance. It highlights Allah's exclusive right to legislate and mankind's obligation to obey. The concluding phrase, "Little do you remember," (قَلِيلًۭا مَّا تَذَكَّرُونَ) laments humanity's frequent heedlessness, despite clear divine guidance. This echoes other Quranic verses (12:103, 6:116, 12:106) indicating that many will not heed the truth, underscoring the importance of individual commitment to divine revelation. The verse establishes the Quran as the comprehensive and singular path to salvation.

📚 Sources: Classical tafsir (multi-source)