2 Corinthians 8:4-8

4they earnestly pleaded with us for the privilege of sharing in this service to the saints. 5And not only did they do as we expected, but they gave themselves first to the Lord and then to us, through the will of God.

6So we urged Titus to help complete your act of grace, just as he had started it. 7But just as you excel in everything—in faith, in speech, in knowledge, in complete earnestness, and in the love we inspired in you1—see that you also excel in this grace of giving. 8I am not giving a command, but I am testing the sincerity of your love through the earnestness of others.