In Matthew 12:31–32 Jesus describes “blasphemy against the Spirit” as a sin that “shall not be forgiven … either in this age or in the age to come.” As Mark 3:29 puts it, “Whoever blasphemes against the Holy Spirit never has forgiveness, but is guilty of an eternal sin.” Blasphemy literally means “speaking against.” In this context Jesus is referring to someone who speaks actual words of cursing and denunciation against the Spirit, while at the same time rejecting the