﴿ فَأَصْبَحَ فِى ٱلْمَدِينَةِ خَآئِفًۭا يَتَرَقَّبُ فَإِذَا ٱلَّذِى ٱسْتَنصَرَهُۥ بِٱلْأَمْسِ يَسْتَصْرِخُهُۥ ۚ قَالَ لَهُۥ مُوسَىٰٓ إِنَّكَ لَغَوِىٌّۭ مُّبِينٌۭ ﴾

“And next morning he found himself in the city, looking fearfully about him, when lo! the one who had sought his help the day before [once again] cried out to him [for help whereupon] Moses said unto him: “Behold, thou art indeed, most clearly, deeply in the wrong!”

Please check ayah 28:19 for complete tafsir.