﴿ وَلَقَدْ صَدَّقَ عَلَيْهِمْ إِبْلِيسُ ظَنَّهُۥ فَٱتَّبَعُوهُ إِلَّا فَرِيقًۭا مِّنَ ٱلْمُؤْمِنِينَ ﴾

“Now, indeed, Iblis did prove that his opinion of them had been right: for [when he called them,] they followed him - all but some of the believers [among them].”

Please check ayah 34:21 for complete tafsir.