2 Corinthians 2:9; 2 Corinthians 8:2; 2 Corinthians 9:13; 2 Corinthians 13:3

2 Corinthians 2:9

9 Another reason I wrote you was to see if you would stand the test and be obedient in everything.

2 Corinthians 8:2

2 In the midst of a very severe trial, their overflowing joy and their extreme poverty welled up in rich generosity.

2 Corinthians 9:13

13 Because of the service by which you have proved yourselves, others will praise God for the obedience that accompanies your confession of the gospel of Christ, and for your generosity in sharing with them and with everyone else.

2 Corinthians 13:3

3 since you are demanding proof that Christ is speaking through me. He is not weak in dealing with you, but is powerful among you.