Quran 20:45 from Surah Taa-Haa on Divine Marvels.
قَالَا رَبَّنَآ إِنَّنَا نَخَافُ أَن يَفۡرُطَ عَلَيۡنَآ أَوۡ أَن يَطۡغَىٰ
English translation: They said Our Lord! Indeed we fear that he will hasten against us or that he will transgress
Transliteration: qala rabbana innana nakhafu an yafruta alayna aw an yatgha