2 Corinthians 9:5
Therefore I thought it necessary to exhort the brethren, that they would go before unto you, and make up beforehand your bounty, whereof ye had notice before, that the same might be ready, as a matter of bounty, and not as of covetousness.
Cross-reference
2 Corinthians 9:3 explains why Paul sends the brothers— to ensure readiness, directly supporting the advance arrangement here.
In 2 Cor 8:6, Titus is urged to complete the collection; here Paul urges brothers to arrange the gift in advance—same collection project.
In 1 Cor 16:2, Paul instructs setting aside money weekly in advance; here he urges advance arrangements for the promised gift.
In Deut 15:10, giving without a grudging heart is commanded; Paul directly echoes this phrase, urging a willing, not grudging, gift.
Proverbs 11:24 states that generous giving leads to increase— reinforcing the value of the prepared bounty Paul urges.
Philemon 1:14 emphasizes voluntary consent so goodness is not compelled— the same principle Paul applies to the collection.
1 John 3:17 condemns closing one's heart to a brother in need— underscoring the ethical imperative behind Paul's planned collection.