2 Corinthians 9:7

Let each one contribute as he chooses in his heart, not with regret or from necessity; for God loves a cheerful giver.

Acts 10:14-16

But Peter said, By no means, Lord, for I have never eaten any thing common and impure.

Acts 11:23

who having come and seen the grace of God rejoiced, and exhorted all to adhere to the Lord with the purpose of the heart;

Romans 14:15-17

For if your brother is grieved by your food, you no longer walk in love. Destroy not with your food him for whom Christ died.

1 Corinthians 7:37

But he that stands firm in mind, not having a necessity, but has power over his will, and has determined in his mind to keep his virgin, does well.

1 Corinthians 8:7-10

But all have not this knowledge; and some with the conscience [unenlightened] even till now eat an idol's [sacrifice] as an idol's sacrifice, and their conscience being weak is defiled.

1 Corinthians 10:18-21

Consider Israel after the flesh; are not those who eat the sacrifices partakers of the altar?

1 Corinthians 10:28-31

But if any one says to you, This has been offered to an idol, eat not for his sake that informed you, and for conscience' sake.

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 having come and seen the grace of God rejoiced, and exhorted all to adhere to the Lord with the purpose of the heart;
1 Corinthians 7:37
But he that stands firm in mind, not having a necessity, but has power over his will, and has determined in his mind to keep his virgin, does well.
2 Corinthians 9:7
Let each one contribute as he chooses in his heart, not with regret or from necessity; for God loves a cheerful giver.

Defile

Acts 10:14
But Peter said, By no means, Lord, for I have never eaten any thing common and impure.
Romans 14:15
For if your brother is grieved by your food, you no longer walk in love. Destroy not with your food him for whom Christ died.
1 Corinthians 8:7
But all have not this knowledge; and some with the conscience [unenlightened] even till now eat an idol's [sacrifice] as an idol's sacrifice, and their conscience being weak is defiled.
1 Corinthians 10:18
Consider Israel after the flesh; are not those who eat the sacrifices partakers of the altar?