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.

2 Corinthians 8:11-12

Now therefore perform the doing of it, that as there was a readiness to will, so there may be a performance also out of that which ye have.

Treasury of Scripture Knowledge

Summary

Speak unto the children of Israel, that they bring me an offering: of every man that giveth it willingly with his heart ye shall take my offering.

Bible References

Willingly

2 Corinthians 8:12
For if there be first the willing mind, it is accepted according to what a man hath, not according to what he hath not.
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.