وَلَقَدْ أَضَلَّ مِنكُمْ جِبِلًّا كَثِيرًا ۖ أَفَلَمْ تَكُونُوا تَعْقِلُونَ

Walaqad adalla minkum jibillankatheeran afalam takoonoo taAAqiloon

And he had already led astray from among you much of creation, so did you not use reason?