2 Corinthians 9:7

Each one, as he purposeth in his heart, so let him give; not grudgingly, or of necessity; for God loveth a cheerful giver.

Acts 10:14-16

But Peter said, Not so, Lord; for I have never eaten anything common and unclean.

Acts 11:23

who, when he came, and saw the grace of God, rejoiced, and exhorted all to cleave to the Lord with purpose of heart;

Romans 14:15-17

For if on account of food thy brother is made to mourn, thou art no longer walking according to love. Do not with thy food destroy him for whom Christ died.

1 Corinthians 7:37

But if any one is settled in his purpose, and is under no necessity, but is free to act as he will, and hath determined in his heart to keep his own virgin daughter [unmarried], he doeth well.

1 Corinthians 8:7-10

But there is not in all men this knowledge; for some, with a conscience directed toward the idol even now, eat of it as a thing offered in sacrifice to an idol, and their conscience, being weak, is defiled.

1 Corinthians 10:18-21

Look at Israel by natural descent. Have not those who eat of the sacrifices, communion with the altar?

1 Corinthians 10:28-31

But if any one say to you, This hath been offered in sacrifice to an idol, do not eat of it, on account of him that showed you this, and from a regard to conscience;

Treasury of Scripture Knowledge

Summary

But Daniel purposed in his heart that he would not defile himself with the portion of the king's meat, nor with the wine which he drank: therefore he requested of the prince of the eunuchs that he might not defile himself.

Bible References

Purposed

Acts 11:23
who, when he came, and saw the grace of God, rejoiced, and exhorted all to cleave to the Lord with purpose of heart;
1 Corinthians 7:37
But if any one is settled in his purpose, and is under no necessity, but is free to act as he will, and hath determined in his heart to keep his own virgin daughter [unmarried], he doeth well.
2 Corinthians 9:7
Each one, as he purposeth in his heart, so let him give; not grudgingly, or of necessity; for God loveth a cheerful giver.

Defile

Acts 10:14
But Peter said, Not so, Lord; for I have never eaten anything common and unclean.
Romans 14:15
For if on account of food thy brother is made to mourn, thou art no longer walking according to love. Do not with thy food destroy him for whom Christ died.
1 Corinthians 8:7
But there is not in all men this knowledge; for some, with a conscience directed toward the idol even now, eat of it as a thing offered in sacrifice to an idol, and their conscience, being weak, is defiled.
1 Corinthians 10:18
Look at Israel by natural descent. Have not those who eat of the sacrifices, communion with the altar?