Surah Al-Isra Verse 15 - English Translation by A. J. Arberry
Surah Al-Israمَّنِ ٱهۡتَدَىٰ فَإِنَّمَا يَهۡتَدِي لِنَفۡسِهِۦۖ وَمَن ضَلَّ فَإِنَّمَا يَضِلُّ عَلَيۡهَاۚ وَلَا تَزِرُ وَازِرَةٞ وِزۡرَ أُخۡرَىٰۗ وَمَا كُنَّا مُعَذِّبِينَ حَتَّىٰ نَبۡعَثَ رَسُولٗا
Whosoever is guided, is only guided to his own gain, and whosoever goes astray, it is only to his own loss; no soul laden bears the load of another. We never chastise, until We send forth a Messenger