سورة Al-Araf 7:90

وَقَالَ ٱلْمَلَأُ ٱلَّذِينَ كَفَرُوا۟ مِن قَوْمِهِۦ لَئِنِ ٱتَّبَعْتُمْ شُعَيْبًا إِنَّكُمْ إِذًۭا لَّخَـٰسِرُونَ ٩٠

The disbelieving chiefs of his people threatened, “If you follow Shu’aib, you will surely be losers!”