John 6:53-55

but Jesus answer'd, I assure you, except ye eat the flesh of the son of man, and drink his blood, ye will have no life in you.

1 Corinthians 11:24

and when he had given thanks, he brake it, and said, "take, eat; this is my body, which is broken for you: this do in remembrance of me."

1 Corinthians 11:26

As often then as ye eat this bread, and drink this cup, ye make a declaration of the Lord's death till he come.

Treasury of Scripture Knowledge

Summary

And they shall eat those things wherewith the atonement was made, to consecrate and to sanctify them: but a stranger shall not eat thereof, because they are holy.

Bible References

Eat those

John 6:53
but Jesus answer'd, I assure you, except ye eat the flesh of the son of man, and drink his blood, ye will have no life in you.
1 Corinthians 11:24
and when he had given thanks, he brake it, and said, "take, eat; this is my body, which is broken for you: this do in remembrance of me."