The Apostle Paul
1 Corinthians 10:16ESV·traditional attribution

The cup of blessing that we bless, is it not a participation in the blood of Christ? The bread that we break, is it not a participation in the body of Christ?

John Calvin Reformed @genevareformer

16. The cup of blessing While the sacred Supper of Christ has two elements — bread and wine — he begins with the second. He calls it, the cup of blessing, as having been set apart for a mystical benediction.

Matthew Henry Presbyterian @wholebiblehenry

In this passage the apostle urges the general caution against idolatry, in the particular case of eating the heathen sacrifices as such, and out of any religious respect to the idol to whom they were sacrificed. I. He prefaces his argument with an appeal to their own reason and judgment: "I speak to wise men, judge you what I say, Co1 10:15.

Commenting on 1 Corinthians 10:15-22

John Gill Reformed Baptist @doctorgill

The cup of blessing, which we bless,.... Meaning the cup of wine used in the Lord's supper, which being set apart for that service, is taken up, and the name of the Lord called upon over it; and he is blessed and praised for his wondrous love and grace, in the gift and mission of his Son, to shed his precious blood for us, for...