Taha Ayah 90

وَلَقَدْ قَالَ لَهُمْ هَـٰرُونُ مِن قَبْلُ يَـٰقَوْمِ إِنَّمَا فُتِنتُم بِهِۦ‌ۖ وَإِنَّ رَبَّكُمُ ٱلرَّحْمَـٰنُ فَٱتَّبِعُونِى وَأَطِيعُوٓاْ أَمْرِى ٩٠ Aaron had already warned them beforehand, “O my people! You are only being tested by this, for indeed your ?one true? Lord is the Most Compassionate. So follow me and obey my orders.”