2 Corinthians 9:4-5

4otherwise, if any Macedonians come with me and find you unprepared, we—to say nothing of yourselves—will be humiliated for being so confident.

5That is why I thought it necessary to urge these brothers to go to you [before I come] and make arrangements in advance for this generous, previously promised gift of yours, so that it would be ready, not as something extorted [or wrung out of you], but as a [voluntary and] generous gift.