Mark 3:29

29 but whosoever shall blaspheme against the Holy Spirit hath never forgiveness, but is guilty of an eternal sin:

Mark 3:29 Meaning and Commentary

Mark 3:29

But he that shall blaspheme against the Holy Ghost
Against his person, and the works performed by him, by ascribing them to diabolical power and influence, as the Scribes did,

hath never forgiveness:
there is no pardon provided in the covenant of grace, nor obtained by the blood of Christ for such persons, or ever applied to them by the Spirit;

but is in danger of eternal damnation.
The Vulgate Latin reads it, and so it is read in an ancient copy of Beza's, guilty of an eternal sin; a sin which can never be blotted out, and will never be forgiven, but will be punished with everlasting destruction; (See Gill on Matthew 12:32).

Mark 3:29 In-Context

27 But no one can enter into the house of the strong [man], and spoil his goods, except he first bind the strong [man]; and then he will spoil his house.
28 Verily I say unto you, All their sins shall be forgiven unto the sons of men, and their blasphemies wherewith soever they shall blaspheme:
29 but whosoever shall blaspheme against the Holy Spirit hath never forgiveness, but is guilty of an eternal sin:
30 because they said, He hath an unclean spirit.
31 And there come his mother and his brethren; and, standing without, they sent unto him, calling him.
The American Standard Version is in the public domain.