John 6:53-55

"I tell you solemnly," said Jesus, "that unless you eat the flesh of the Son of man, and drink his blood, you have no life in you.

1 Corinthians 11:24

and when he had given thanks, he broke it, saying, "This is my body, broken for you; this do in memory of me."

1 Corinthians 11:26

For as often as you eat this bread and drink this cup, you are proclaiming your Lord's death until 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
"I tell you solemnly," said Jesus, "that unless you eat the flesh of the Son of man, and drink his blood, you have no life in you.
1 Corinthians 11:24
and when he had given thanks, he broke it, saying, "This is my body, broken for you; this do in memory of me."