٦ : ١٤٩
قُلۡ فَلِلَّهِ ٱلۡحُجَّةُ ٱلۡبَٰلِغَةُۖ فَلَوۡ شَآءَ لَهَدَىٰكُمۡ أَجۡمَعِينَ
Say, "With Allāh is the far-reaching [i.e., conclusive] argument. If He had willed, He would have guided you all."
Ayah ١٤٩ of الأنعَام (٦ : ١٤٩). This page carries the verse in the Uthmani script with a translation of its meaning, at a stable URL that can be cited on its own.
قُلۡ فَلِلَّهِ ٱلۡحُجَّةُ ٱلۡبَٰلِغَةُۖ فَلَوۡ شَآءَ لَهَدَىٰكُمۡ أَجۡمَعِينَ
Say, "With Allāh is the far-reaching [i.e., conclusive] argument. If He had willed, He would have guided you all."