Romans 14:2

For one has faith to eat all things, but he that is weak eats vegetables.

Romans 14:14

I know, and am persuaded in the Lord Jesus, that nothing is defiled in itself, except to him that thinks any thing to be defiled; to him it is defiled.

Romans 14:22-23

You have faith; have it for yourself before God, Blessed is he that condemns not himself in what he approves;

1 Corinthians 10:25

Whatever is sold in the market eat, asking no questions for conscience' sake;

Galatians 2:12

For before some came from James he eat with the gentiles; but when they came, he withdrew and separated himself; fearing those of the circumcision;

1 Timothy 4:4

For every creature of God is good, and nothing to be rejected, [but] to be received with thanksgiving;

Titus 1:15

To the pure all things are pure; but to the defiled and unbelieving, nothing is pure; but their mind and conscience are defiled.

Hebrews 9:10

only in meats and drinks and different baptisms, and external ordinances, imposed till the time of reformation.

Hebrews 13:9

Be not carried about with various and strange doctrines; for it is good that the mind should be established with grace, not with aliments, in which those walking are not profited.

Treasury of Scripture Knowledge

Summary

For one believeth that he may eat all things: another, who is weak, eateth herbs.

Another

Bible References

That

Romans 14:14
I know, and am persuaded in the Lord Jesus, that nothing is defiled in itself, except to him that thinks any thing to be defiled; to him it is defiled.
1 Corinthians 10:25
Whatever is sold in the market eat, asking no questions for conscience' sake;
Galatians 2:12
For before some came from James he eat with the gentiles; but when they came, he withdrew and separated himself; fearing those of the circumcision;
1 Timothy 4:4
For every creature of God is good, and nothing to be rejected, [but] to be received with thanksgiving;
Titus 1:15
To the pure all things are pure; but to the defiled and unbelieving, nothing is pure; but their mind and conscience are defiled.
Hebrews 9:10
only in meats and drinks and different baptisms, and external ordinances, imposed till the time of reformation.
Hebrews 13:9
Be not carried about with various and strange doctrines; for it is good that the mind should be established with grace, not with aliments, in which those walking are not profited.

Another

Romans 14:22
You have faith; have it for yourself before God, Blessed is he that condemns not himself in what he approves;