Harden not your heart, as in the provocation, [and] as [in] the day of temptation in the wilderness:
Ver. 8. Harden not your heart] By unbelief, and the deceitfulness of sin, Hebrews 3:12,13, which gradually affirms the heart against God.
As in the provocation] As your fathers did at Massah and Meribah; be not you as good at resisting the Holy Ghost as they were, Acts 7:51 .