What does 2 Corinthians 9:7 mean?

lest by any means, if anyone from Macedonia comes there with me and finds you unprepared, we (to say nothing of you) would be disappointed in this confident boasting.

I thought it necessary therefore to entreat the brothers that they would go before to you, and arrange ahead of time the generous gift that you promised before, that the same might be ready as a matter of generosity, and not of greediness.

Remember this: he who sows sparingly will also reap sparingly. He who sows bountifully will also reap bountifully.

And God is able to make all grace abound to you, that you, always having all sufficiency in everything, may abound to every good work.

As it is written, “He has scattered abroad, he has given to the poor. His righteousness remains forever.”

Now may he who supplies seed to the sower and bread for food, supply and multiply your seed for sowing, and increase the fruits of your righteousness;