﴿ وَلَقَدْ قَالَ لَهُمْ هَٰرُونُ مِن قَبْلُ يَٰقَوْمِ إِنَّمَا فُتِنتُم بِهِۦ ۖ وَإِنَّ رَبَّكُمُ ٱلرَّحْمَٰنُ فَٱتَّبِعُونِى وَأَطِيعُوٓا۟ أَمْرِى ﴾

“And, indeed, even before [the return of Moses] had Aaron said unto them: "O my people! You are but being tempted to evil by this [idol] -for, behold, your [only] Sustainer is the Most Gracious! Follow me, then, and obey my bidding!"”

Please check ayah 20:91 for complete tafsir.