1 Corinthians 10:16 in the King James Version
The cup of blessing which we bless, is it not the communion of the blood of Christ? The bread which we break, is it not the communion of the body of Christ?
Context
15 I speak as to wise men. Judge what I say.
16 The cup of blessing which we bless, isn’t it a sharing of the blood of Christ? The bread which we break, isn’t it a sharing of the body of Christ?
17 Because there is one loaf of bread, we, who are many, are one body; for we all partake of the one loaf of bread.