﴿ ٱلَّذِينَ كَذَّبُوا۟ بِٱلْكِتَٰبِ وَبِمَآ أَرْسَلْنَا بِهِۦ رُسُلَنَا ۖ فَسَوْفَ يَعْلَمُونَ ﴾

“they who give the lie to this divine writ and [thus] to all [the messages] with which We sent forth Our apostles [of old]? But in time they will come to know [how blind they have been: they will know it on Judgment Day],”

Please check ayah 40:76 for complete tafsir.