Mark 3:29 KJV
But he that shall blaspheme against the Holy Ghost hath never forgiveness, but is in danger of eternal damnation:
Mark 3:27–31 KJV Chapter Context
27
No man can enter into a strong man’s house, and spoil his goods, except he will first bind the strong man; and then he will spoil his house.
28
Verily I say unto you, All sins shall be forgiven unto the sons of men, and blasphemies wherewith soever they shall blaspheme:
29
But he that shall blaspheme against the Holy Ghost hath never forgiveness, but is in danger of eternal damnation:
30
Because they said, He hath an unclean spirit.
31
There came then his brethren and his mother, and, standing without, sent unto him, calling him.