وَرَبَطنا عَلىٰ قُلوبِهِم إِذ قاموا فَقالوا رَبُّنا رَبُّ السَّماواتِ وَالأَرضِ لَن نَدعُوَ مِن دونِهِ إِلـٰهًا ۖ لَقَد قُلنا إِذًا شَطَطًا

We strengthened their hearts when they stood up and said, “Our Lord is the Lord of the heavens and the earth. We will never call upon any deity other than Him, for then we would be uttering a colossal falsehood.”