NET
12 Rejoice and be glad, because your reward is great in heaven, for they persecuted the prophets before you in the same way.
Darby
12 Rejoice and exult, for your reward is great in the heavens; for thus have they persecuted the prophets who were before you.
KJV
12 “Rejoice, and be exceeding glad: for great” [is] “your reward in heaven: for so persecuted they the prophets which were before you.”