1 Corinthians 16:2
On the first day of the week let every one of you set apart with himself, treasuring it up, whatsoever he may please to give, that when I come there may be then no gatherings.
2 Corinthians 8:10
And in this I give my opinion: for this is expedient for you, who have before begun not only to do, but also to be willing a year ago.
2 Corinthians 8:12
For if there is first a ready mind, a man is acceptable according to what he hath, and not according to what he hath not.
2 Corinthians 9:5-11
have thought it necessary therefore to exhort the brethren, that they would go before unto you, and prepare before your promised bounty, that it may be ready as a matter of bounty, and not as [extorted] of covetousness.