“If someone does despite to the Spirit of grace, will they lose their salvation (Heb. 10:29)?”
“He that despised Moses’ law died without mercy…of how much sorer punishment… shall he be thought worthy, who hath…done despite unto the Spirit of grace?” (Heb. 10:28,29).
The only other time the phrase spirit of grace is used in the Bible is in Zechariah 12:10:
“And I will pour upon the house of David, and upon the inhabitants of Jerusalem, the spirit of grace and of supplications…”
After unsaved Jews in Jerusalem crucified the Lord, God poured His Spirit of grace “upon the inhabitants of Jerusalem” (cf. Acts 2:17,18). So when Hebrews 10:29 asks about the fate of any who “hath done despite unto the Spirit of grace,” it is asking about the fate of the unbelievers in Israel who blasphemed the Spirit by stoning a Spirit-filled man (Acts 6:5; 7:51). As the Lord predicted, this was an unpardonable sin (Matt. 12:31,32).
However, none of this has anything to do with members of the Body of Christ, living in the dispensation of grace. Blaspheming the Spirit today is not an unpardonable sin.
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