Paul's logic in 2 Corinthians 9 is striking: God loves a cheerful giver — not a reluctant one, not one giving from guilt, not one calculating the minimum. The Greek word for cheerful is hilaros, from which we get "hilarious." There is a kind of abandon in genuine generosity that looks almost reckless from the outside. Paul is describing a person who gives freely because they have genuinely internalized that God is the source — they are not depleting a finite supply.
Proverbs 19:17 offers one of the most surprising economic statements in the Bible: lending to the poor is lending to God, and God will repay. This is not a promise of earthly profit. It is a claim about the moral structure of the universe — that God identifies himself with the poor in such a way that what you do for them, you do to him. That changes the category of generosity from charity to covenant transaction.
Luke 6:38 — "Give, and it shall be given unto you" — uses agricultural imagery: good measure, pressed down, shaken together, running over. This is how grain merchants in the ancient world avoided cheating customers — they packed the measure past the rim. Jesus is saying God's return on generosity is not a thin percentage but an overflowing abundance, in ways and timing you don't control.
Commentary is from a charismatic Protestant perspective, drawing on KJV text and public-domain sources including Spurgeon, Andrew Murray, and Matthew Henry.