2 Corinthians 9:7
Let each one do as he has purposed in his heart, not grudgingly or of necessity; for God loveth a cheerful giver.
Acts 10:14-16
But Peter said, "By no means, Lord! because never at any time did I eat anything common or unclean."
Acts 11:23
who, having come, and having seen the grace of God, rejoiced, and was exhorting all that, with purpose of heart, they should cleave to the Lord;
Romans 14:15-17
For, if because of your food your brother is aggrieved, you are no longer walking in accordance with love. Destroy not with your food him for whom Christ died.
1 Corinthians 7:37
But he who has been standing steadfast in his heart, having no necessity, but has authority respecting his own will, and has determined this in his own heart, that he will keep his own virgin daughter, will do well.
1 Corinthians 8:7-10
But this knowledge is not in all; but some, by familiarity with the idol even until now, eat it as an idol-sacrifice; and their conscience, being weak, is defiled.
1 Corinthians 10:18-21
Behold Israel according to the flesh: are not those who eat the sacrifices partakers of the altar?
1 Corinthians 10:28-31
But, if anyone says to you, "This is the remains of an idol-sacrifice." eat it not, for his sake that showed it, and because of conscience: