Matthew 24:21

ἔσται γὰρ τότε θλῖψις μεγάλη οἵα οὐ γέγονεν ἀπ’ ἀρχῆς κόσμου ἕως τοῦ νῦν οὐδ’ μὴ γένηται

estai gar tote thlipsis megalē hoia ou gegonen ap’ archēs kosmou heōs tou nyn oud’ mē genētai

it will be for then tribulation violent such as not had been done from [the] beginning world until of the now no not becomes