1 Corinthians 11:27

Therefore whoever should eat this bread, and drink the cup of the Lord, unworthily, shall be liable to the penalty of the body and blood of the Lord.

John 6:51

I am the living bread which having come down from heaven: if any one eat of this bread, he shall live forever: and also the bread which I shall give is my flesh, which I shall give for the life of the world.

Numbers 9:10

Speak to the sons of Israel, saying, A man, a man when he shall be unclean by the soul, or in a way far off to you or to your generations, and he did the passover to Jehovah.

Numbers 9:13

And the man who is clean, and was not in the way, and failed to do the passover, that soul was cut off from its people; for he brought not the offering of Jehovah at his appointment, that man shall bear his sin.

Leviticus 10:1-3

And Nadab and Abihu, sons of Aaron, will take each his censer, and give in them fire, and put upon it incense, and bring before Jehovah strange fire, which he commanded them not

2 Chronicles 30:18-20

For a multitude of the people, many from Ephraim and Manasseh, Issachar and Zebulon, were not cleansed, for they ate the Passover not as written. But Hezekiah prayed for them, saying, Jehovah the good will expiate in behalf

Matthew 22:11

And the king, having come in to behold the reclining, saw there a man not clad with the garment of the wedding:

John 6:63-64

It is the spirit making alive; the flesh profits nothing: the words which I speak to you are spirit, and are life.

John 13:18-27

I say not of you all: I know whom I have chosen: but that the writing might be completed, He chewing bread with me lifted up his heel against me.

1 Corinthians 10:21

Ye cannot drink the cup of the Lord, and the cup of demons: ye cannot partake of the table of the Lord, and the table of demons.

Hebrews 10:29

Of how much worse punishment, think ye, shall he be deemed worthy. having trodden down the Son of God, and deemed the blood of the covenant common, in which he was consecrated, and having outraged the Spirit of grace?

Treasury of Scripture Knowledge

Summary

Wherefore whosoever shall eat this bread, and drink this cup of the Lord, unworthily, shall be guilty of the body and blood of the Lord.

Bible References

Whosoever

1 Corinthians 10:21
Ye cannot drink the cup of the Lord, and the cup of demons: ye cannot partake of the table of the Lord, and the table of demons.
Leviticus 10:1
And Nadab and Abihu, sons of Aaron, will take each his censer, and give in them fire, and put upon it incense, and bring before Jehovah strange fire, which he commanded them not
Numbers 9:10
Speak to the sons of Israel, saying, A man, a man when he shall be unclean by the soul, or in a way far off to you or to your generations, and he did the passover to Jehovah.
2 Chronicles 30:18
For a multitude of the people, many from Ephraim and Manasseh, Issachar and Zebulon, were not cleansed, for they ate the Passover not as written. But Hezekiah prayed for them, saying, Jehovah the good will expiate in behalf
Matthew 22:11
And the king, having come in to behold the reclining, saw there a man not clad with the garment of the wedding:
John 6:51
I am the living bread which having come down from heaven: if any one eat of this bread, he shall live forever: and also the bread which I shall give is my flesh, which I shall give for the life of the world.
John 13:18
I say not of you all: I know whom I have chosen: but that the writing might be completed, He chewing bread with me lifted up his heel against me.

Shall be

1 Corinthians 11:29
For he eating and drinking unworthily, eats and drinks judgment to himself, not discerning the Lord's body.