Quran 23:73 from Surah Al-Muminoon on Divine Marvels.
وَإِنَّكَ لَتَدۡعُوهُمۡ إِلَىٰ صِرَٰطٖ مُّسۡتَقِيمٖ
English translation: And indeed you certainly call them to (the) Path Straight
Transliteration: wa-innaka latad'uhum ila siratin mus'taqimin