Al-A'raaf • EN-AL-JALALAYN
﴿ وَقَالَ ٱلْمَلَأُ ٱلَّذِينَ كَفَرُوا۟ مِن قَوْمِهِۦ لَئِنِ ٱتَّبَعْتُمْ شُعَيْبًا إِنَّكُمْ إِذًۭا لَّخَٰسِرُونَ ﴾
“But the great ones among his people, who were bent on denying the truth, said [to his followers]: "Indeed, if you follow Shu'ayb, you will, verily, be the losers!"”
Said the council of those of his people who disbelieved that is some said to others ‘Verily if la-in the lām is for oaths you follow Shu‘ayb you shall indeed be losers’.