1 Corinthians 16:2
Upon the first day of the week let every one of you set apart something, putting it into the treasury, according as he is prospered: that there may be no need of collections, when I come.
2 Corinthians 8:10
And herein I give my opinion: for this is to your advantage, who not only began to act, but also to be forward to it above a year ago.
2 Corinthians 8:12
For if there be first a willing mind, any me is accepted according to what he hath, not according to what he hath not.
2 Corinthians 9:5-11
Therefore I thought it necessary to exhort the brethren to go first to you, and before our coming to collect your bounty beforementioned, that it may be ready, as of munificence, and not of force.