Parallel
Matthew 24:21
Nestle 1904 Greek New Testament · Berean Standard Bible
ἔσται γὰρ τότε θλῖψις μεγάλη οἵα οὐ γέγονεν ἀπ’ ἀρχῆς κόσμου ἕως τοῦ νῦν οὐδ’ οὐ μὴ γένηται
For at that time there will be great tribulation, unseen from the beginning of the world until now, and never to be seen again.