Question

And We bound [i.e., made firm] their hearts when they stood up and said, ''Our Lord is the Lord of the heavens and the earth. Never will we invoke besides Him any deity. We would have certainly spoken, then, an excessive transgression. al-Kahf Part 15

Accepted Answer

وَرَبَطْنَا عَلَىٰ قُلُوبِهِمْ إِذْ قَامُوا۟ فَقَالُوا۟ رَبُّنَا رَبُّ ٱلسَّمَٰوَٰتِ وَٱلْأَرْضِ لَن نَّدْعُوَا۟ مِن دُونِهِۦٓ إِلَٰهًا لَّقَدْ قُلْنَآ إِذًا شَطَطًا 14

Translation	And We bound [i.e., made firm] their hearts when they stood up and said, ''Our Lord is the Lord of the heavens and the earth. Never will we invoke besides Him any deity. We would have certainly spoken, then, an excessive transgression.
Ayah	وَرَبَطْنَا عَلَىٰ قُلُوبِهِمْ إِذْ قَامُوا۟ فَقَالُوا۟ رَبُّنَا رَبُّ ٱلسَّمَٰوَٰتِ وَٱلْأَرْضِ لَن نَّدْعُوَا۟ مِن دُونِهِۦٓ إِلَٰهًا لَّقَدْ قُلْنَآ إِذًا شَطَطًا
Sorh	al-Kahf
AyahN	14
Part	Part 15

Lord Bound I.E Made Firm Hearts Stood Heavens