The principle of equality:
Related Commentaries of 2 Corinthians 8:11
2 Corinthians 8:11-15
11 Now therefore perform the doing of it; that as there was a readiness to will, so there may be a performance also out of that which ye have.
12 For if there be first a willing mind, it is accepted according to that a man hath, and not according to that he hath not.
13 For I mean not that other men be eased, and ye burdened:
14 But by an equality, that now at this time your abundance may be a supply for their want, that their abundance also may be a supply for your want: that there may be equality:
15 As it is written, He that had gathered much had nothing over; and he that had gathered little had no lack.