Bible Verses About Reciprocity

for it pleased well, and their debtors they are, for if in their spiritual things the nations did participate, they ought also, in the fleshly things, to minister to them.

If we to you the spiritual things did sow--great is it if we your fleshly things do reap?

And let him who is instructed in the word share with him who is instructing--in all good things.