Quran 29:16 from Surah Al-Ankaboot on Divine Marvels.
وَإِبۡرَٰهِيمَ إِذۡ قَالَ لِقَوۡمِهِ ٱعۡبُدُواْ ٱللَّهَ وَٱتَّقُوهُۖ ذَٰلِكُمۡ خَيۡرٞ لَّكُمۡ إِن كُنتُمۡ تَعۡلَمُونَ
English translation: And Ibrahim when he said to his people Worship Allah and fear Him That (is) better for you if you know
Transliteration: wa-ib'rahima idh qala liqawmihi u'budu al-laha wa-ittaquhu dhalikum khayrun lakum in kuntum ta'lamuna