Anyone who speaks a word against the Son of Man will be forgiven, but anyone who speaks against the Holy Spirit will not be forgiven, either in this age or in the age to come.
NIV
And whoever speaks a word against the Son of Man will be forgiven, but whoever speaks against the Spirit, the Holy One, will not be forgiven, either in this world and age or in the world and age to come.
AMP
And whosoever speaketh a word against the Son of man, it shall be forgiven him: but whosoever speaketh against the Holy Ghost, it shall not be forgiven him, neither in this world, neither in the world to come.
KJV