10 And everyone who speaks a word against the Son of Man, it will be forgiven him; but he who 12:10 Blasphemy of the Holy Spirit involves treating the Holy Spirit irreverently by denying the power and work of the Holy Spirit. This leads ultimately to rejecting the deity of Christ.blasphemes against the Holy Spirit [that is, whoever intentionally discredits the Holy Spirit by attributing the authenticating miracles done by Me to Satan], it will not be forgiven him [for him there is no forgiveness]. [Matt 12:31; Mark 3:28-30]