NET
31 For this reason I tell you, people will be forgiven for every sin and blasphemy, but the blasphemy against the Spirit will not be forgiven.
Darby
31 For this reason I say unto you, Every sin and injurious speaking shall be forgiven to men, but speaking injuriously of the Spirit shall not be forgiven to men.
KJV
31 “Wherefore I say unto you, All manner of sin and blasphemy shall be forgiven unto men: but the blasphemy” [against] “the” [Holy] “Ghost shall not be forgiven unto men.”