Ezekiel 16:62
And I will establish my covenant with thee; and thou shalt know that I am the LORD:
And I will establish my covenant with thee,....
See Gill on "Ezekiel 16:60"; and which is repeated for the comfort of the Lord's people, being ashamed upon the remembrance of their evil ways; and to show the certainty of it, as well as because it is a matter of the greatest importance:
and thou shalt know that I am the LORD; a covenant keeping God; true and faithful to my promises, and able to make them good: this is a principal blessing of the covenant of grace, to know the Lord,