2 Corinthians 8:2-4

8:2 that during a severe ordeal of suffering, their abundant joy and their extreme poverty have overflowed in the wealth of their generosity. 8:3 For I testify, they gave according to their means and beyond their means. They did so voluntarily, 8:4 begging us with great earnestness for the blessing and fellowship of helping the saints.

2 Corinthians 8:12-14

8:12 For if the eagerness is present, the gift itself is acceptable according to whatever one has, not according to what he does not have. 8:13 For I do not say this so there would be relief for others and suffering for you, but as a matter of equality. 8:14 At the present time, your abundance will meet their need, so that one day their abundance may also meet your need, and thus there may be equality,