9 Now it is superfluous for me to write to you about the ministry for the saints,
Paul uses a bit of honey here to convince the believers in Corinth to complete their original intention of participating in the Jerusalem Offering. (See. 8:6)
“the ministry for the saints” – more specifically the Jerusalem Offering. As Paul would go from town to town on his missionary journey, he collected an offering to present to the believers in Jerusalem.