﴿ كَذَّبَ ٱلَّذِينَ مِن قَبْلِهِمْ فَأَتَىٰهُمُ ٱلْعَذَابُ مِنْ حَيْثُ لَا يَشْعُرُونَ ﴾

“Those who lived before them did [too] give the lie to the truth - whereupon suffering befell them without their having perceived whence it came:”

Please check ayah 39:26 for complete tafsir.