Bible Verses About All Christians Should Be As Missionaries: With a willing heart

All, both men and women, with devout mind offered gifts, that the works might be done which the Lord had commanded by the hand of Moses. All the children of Israel dedicated voluntary offerings to the Lord.

And the people rejoiced, when they promised their offerings willingly: because they offered them to the Lord with all their heart: and David the king rejoiced also with a great joy.

Who am I, and what is my people, that we should be able to promise thee all these things? all things are thine: and we have given thee what we received of thy hand.