Al-An'am 6:111

Walaw annana nazzalnailayhimu almala-ikata wakallamahumu almawta wahasharnaAAalayhim kulla shay-in qubulan ma kanoo liyu/minooilla an yashaa Allahu walakinnaaktharahum yajhaloon

And even if We had sent down to them the angels [with the message] and the dead spoke to them [of it] and We gathered together every [created] thing in front of them, they would not believe unless Allāh should will. But most of them, [of that], are ignorant.

If We had sent down to them the angels, and the dead had spoken to them, and (even if) We had gathered everything before them face to face, still, they were not to believe, unless Allah would have so willed. But, most of them adopt the way of ignorance.