1 Corinthians 11:20-21

So, when you people assemble together [Note: This was a church meeting at which they also shared a common meal prior to the Lord's Supper], it is not possible to eat the Lord's Supper [properly].

1 Corinthians 10:31

So, whether you people eat or drink, or whatever you do, do it all to honor God.

1 Corinthians 11:26-29

For whenever you eat this bread and drink from this cup, you are proclaiming the Lord's death until He comes [again].

Colossians 3:17

And whatever you do, whether in [your] words or actions, do everything in the name [i.e., by the authority] of Christ, giving thanks to God the Father through Him.

Treasury of Scripture Knowledge

Summary

And when ye did eat, and when ye did drink, did not ye eat for yourselves, and drink for yourselves?

Bible References

Did not ye eat for

1 Corinthians 10:31
So, whether you people eat or drink, or whatever you do, do it all to honor God.
1 Corinthians 11:20
So, when you people assemble together [Note: This was a church meeting at which they also shared a common meal prior to the Lord's Supper], it is not possible to eat the Lord's Supper [properly].
Colossians 3:17
And whatever you do, whether in [your] words or actions, do everything in the name [i.e., by the authority] of Christ, giving thanks to God the Father through Him.