Surah Al-Kahf Verse 14 - English Translation by Muhammad Mahmoud Ghali
Surah Al-Kahfوَرَبَطۡنَا عَلَىٰ قُلُوبِهِمۡ إِذۡ قَامُواْ فَقَالُواْ رَبُّنَا رَبُّ ٱلسَّمَٰوَٰتِ وَٱلۡأَرۡضِ لَن نَّدۡعُوَاْ مِن دُونِهِۦٓ إِلَٰهٗاۖ لَّقَدۡ قُلۡنَآ إِذٗا شَطَطًا
And We braced (Literally: tied upon their hearts) their hearts as they rose up and said, "Our Lord is The Lord of the heavens and the earth; we will never invoke any god, apart from Him, for indeed, we had already spoken unjudiciously