Al-An'am 6:149

قُلْ فَلِلَّهِ ٱلْحُجَّةُ ٱلْبَـٰلِغَةُ ۖ فَلَوْ شَآءَ لَهَدَىٰكُمْ أَجْمَعِينَ

Qul falillahi l-ḥujatu l-bālighatu falaw shāa lahadākum ajmaʿīna

Say, "With Allāh is the far-reaching [i.e., conclusive] argument. If He had willed, He would have guided you all."