1 Corinthians 16:2
On the first day of every week each of you should put by what he can afford, so that no collections need be made after I have come.
2 Corinthians 8:10
I am only making suggestions on this matter; for this is the best course for you, since you were a year before others, not only in taking action, but also in showing your readiness to do so.
2 Corinthians 8:12
For, where there is willingness, a man's gift is valued by its comparison with what he has, and not with what he has not.
2 Corinthians 9:5-11
Therefore I think it necessary to urge the Brothers to go to you in advance, and to complete the arrangements for the gift, which you have already promised, so that it may be ready, as a gift, before I come, and not look as if it were being given under pressure.