2 Corinthians 4:15

4:15 For all these things are for your sake, so that the grace that is including more and more people may cause thanksgiving to increase to the glory of God.

2 Corinthians 9:11-12

9:11 You will be enriched in every way so that you may be generous on every occasion, which is producing through us thanksgiving to God, 9:12 because the service of this ministry is not only providing for the needs of the saints but is also overflowing with many thanks to God.