Romans 14:20

for the sake of victuals cast not down the work of God; all things, indeed, are pure, but evil is to the man who is eating through stumbling.

Romans 14:14-15

I have known, and am persuaded, in the Lord Jesus, that nothing is unclean of itself, except to him who is reckoning anything to be unclean -- to that one it is unclean;

Acts 10:15

and there is a voice again a second time unto him: 'What God did cleanse, thou, declare not thou common;'

Titus 1:15

all things, indeed, are pure to the pure, and to the defiled and unstedfast is nothing pure, but of them defiled are even the mind and the conscience;

Matthew 15:11

not that which is coming into the mouth doth defile the man, but that which is coming forth from the mouth, this defileth the man.'

Matthew 18:6

and whoever may cause to stumble one of those little ones who are believing in me, it is better for him that a weighty millstone may be hanged upon his neck, and he may be sunk in the depth of the sea.

Romans 14:21

Right it is not to eat flesh, nor to drink wine, nor to do anything in which thy brother doth stumble, or is made to fall, or is weak.

1 Corinthians 6:12-13

All things are lawful to me, but all things are not profitable; all things are lawful to me, but I -- I will not be under authority by any;

1 Corinthians 8:8-13

But victuals do not commend us to God, for neither if we may eat are we in advance; nor if we may not eat, are we behind;

1 Corinthians 10:31-33

Whether, then, ye eat, or drink, or do anything, do all to the glory of God;

Ephesians 2:10

for of Him we are workmanship, created in Christ Jesus to good works, which God did before prepare, that in them we may walk.

Philippians 1:6

having been confident of this very thing, that He who did begin in you a good work, will perform it till a day of Jesus Christ,

1 Timothy 4:3-5

forbidding to marry -- to abstain from meats that God created to be received with thanksgiving by those believing and acknowledging the truth,

Treasury of Scripture Knowledge

Summary

For meat destroy not the work of God. All things indeed are pure; but it is evil for that man who eateth with offence.

Bible References

For

Romans 14:15
and if through victuals thy brother is grieved, no more dost thou walk according to love; do not with thy victuals destroy that one for whom Christ died.
Matthew 18:6
and whoever may cause to stumble one of those little ones who are believing in me, it is better for him that a weighty millstone may be hanged upon his neck, and he may be sunk in the depth of the sea.
1 Corinthians 6:12
All things are lawful to me, but all things are not profitable; all things are lawful to me, but I -- I will not be under authority by any;
1 Corinthians 8:8
But victuals do not commend us to God, for neither if we may eat are we in advance; nor if we may not eat, are we behind;
1 Corinthians 10:31
Whether, then, ye eat, or drink, or do anything, do all to the glory of God;

The work

Ephesians 2:10
for of Him we are workmanship, created in Christ Jesus to good works, which God did before prepare, that in them we may walk.
Philippians 1:6
having been confident of this very thing, that He who did begin in you a good work, will perform it till a day of Jesus Christ,

All

Romans 14:14
I have known, and am persuaded, in the Lord Jesus, that nothing is unclean of itself, except to him who is reckoning anything to be unclean -- to that one it is unclean;
Matthew 15:11
not that which is coming into the mouth doth defile the man, but that which is coming forth from the mouth, this defileth the man.'
Acts 10:15
and there is a voice again a second time unto him: 'What God did cleanse, thou, declare not thou common;'
1 Timothy 4:3
forbidding to marry -- to abstain from meats that God created to be received with thanksgiving by those believing and acknowledging the truth,
Titus 1:15
all things, indeed, are pure to the pure, and to the defiled and unstedfast is nothing pure, but of them defiled are even the mind and the conscience;

General references

Leviticus 7:19
'And the flesh which cometh against any unclean thing is not eaten; with fire it is burnt; as to the flesh, every clean one doth eat of the flesh;
Ezekiel 44:31
Any carcase and torn thing, of the fowl, and of the beasts, the priests do not eat.
Philippians 2:4
each not to your own look ye, but each also to the things of others.