1 Corinthians 16:2
On the first day of the sabbaths, let each one of you lay by him, treasuring it up, as he may prosper, that no collections be made, when I come.
2 Corinthians 8:10
And I give my judgment in this; for this is profitable for you, who, indeed, began before others, a year ago, not only to do, but also to will.
2 Corinthians 8:12
for, if the readiness is present, it is acceptable according to what one has, not according to what he has not.
2 Corinthians 9:5-11
I thought it necessary, therefore, to exhort the brethren, that they should go before to you, and make up beforehand your previously promised bounty, that this may be ready as a matter of bounty and not as of covetousness.