﴿ أَفَتُمَٰرُونَهُۥ عَلَىٰ مَا يَرَىٰ ﴾

“will you, then, contend with him as to what he saw?”

Will you then dispute with him will you then argue with him and hope to overwhelm him concerning what he saw? — an address to the idolaters who denied the Prophet’s s vision of Gabriel.