2 Corinthians 8:12

“Speak with the sons of Israel so that they take a contribution for Me; from every man whose heart is willing you shall take My contribution.

But now complete doing it also, so that just as there was the readiness to desire it, so there may be also the completion of it from what you have.

And not only this, but he has also been appointed by the churches to travel with us in this gracious work that is being ministered by us for the glory of the Lord Himself, and to show our readiness,

Each one must do just as he has purposed in his heart, not grudgingly or under compulsion, for God loves a cheerful giver.