Because there is one bread, we who are many are one body, for we all partake of the one bread.
17. For we are one bread. I have already stated above, that it was not Paul’s particular design here to exhort us to love, but he mentions this by the way, that the Corinthians may understand that we must, even by external profession, maintain that unity which subsists between us and Christ, inasmuch as we all assemble together to receive the symbol of that sacred unity.
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
For we being many, are one bread and one body,.... The several members of the church of Christ; particular believers are indeed many, considered in themselves, in their own persons; yet by virtue of their union to Christ, which is manifested by their communion with him, they are one bread with him, the bread of life, and one body with his, signified by the bread...