Quran 17:15 from Surah Al-Israa on Divine Marvels.
مَّنِ ٱهۡتَدَىٰ فَإِنَّمَا يَهۡتَدِي لِنَفۡسِهِۦۖ وَمَن ضَلَّ فَإِنَّمَا يَضِلُّ عَلَيۡهَاۚ وَلَا تَزِرُ وَازِرَةٞ وِزۡرَ أُخۡرَىٰۗ وَمَا كُنَّا مُعَذِّبِينَ حَتَّىٰ نَبۡعَثَ رَسُولٗا
English translation: Whoever (is) guided then only he is guided for his soul And whoever goes astray then only he goes astray against it And not will bear one laden with burden burden (of) another And not We are to punish until We have sent a Messenger
Transliteration: mani ih'tada fa-innama yahtadi linafsihi waman dalla fa-innama yadillu alayha wala taziru waziratun wiz'ra ukh'ra wama kunna mu'adhibina hatta nab'atha rasulan