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Hebrews 13:15ESV·author unknown

Through him then let us continually offer up a sacrifice of praise to God, that is, the fruit of lips that acknowledge his name.

John Calvin Reformed @genevareformer

15. By him, therefore, let us offer the sacrifice of praise to God, etc. He returns to that particular doctrine to which he had referred, respecting the abrogation of the ancient ceremonies; and he anticipates an objection that might have been made; for as the sacrifices were attached as appendages to the tabernacle, when this was abolished, it follows that the sacrifices also must have ceased.

Matthew Henry Presbyterian @wholebiblehenry

The design of Christ in giving himself for us is that he may purchase to himself a peculiar people, zealous of good works. Now the apostle calls the believing Hebrews to the performance of many excellent duties, in which it becomes Christians to excel. I.

Commenting on Hebrews 13:1-17

John Gill Reformed Baptist @doctorgill

By him therefore let us offer the sacrifice of praise,.... For temporal and spiritual mercies; particularly for sanctification, or expiation of sin, by the blood of Christ; and for heaven, the continuing city, that is to come: this sacrifice is not a proper, nor a propitiatory one, but spiritual and evangelical; it is enjoined by God, is well pleasing to him, and glorifies him; and...