The Holy Quran 3:51 — Surah Ali 'Imran
Arabic text
إِنَّ ٱللَّهَ رَبِّى وَرَبُّكُمْ فَٱعْبُدُوهُ ۗ هَـٰذَا صِرَٰطٌ مُّسْتَقِيمٌ
Translation
"Verily Allaah is my Rabb and your Rabb, so worship Him (Only, without ascribing partners to Him). This (believing in Allaah, obeying His Rasool and thus gaining His pleasure) is the straight path."
Tafsir (excerpt) — Tafsir Usmani
that is, the one point of all points and the root of all roots is that you regard Almighty Allah as equally the Lord of both me and yourselves (do not establish relations of father and son) and worship Him alone. This very tawhid (affirmation of Allah's oneness), taqwa (fear of Allah)
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