2 Corinthians 10:13
But we will not boast of things without our measure, but according to the measure of the rule which God hath distributed to us, a measure to reach even unto you.
Cross-reference
2 Corinthians 10:14 directly explains that Paul's assigned measure includes the Corinthians because he preached to them.
2 Corinthians 10:15 repeats 'boast without measure' and clarifies Paul's refusal to claim others' work as his own.
2 Corinthians 10:16 expands the same thought: preaching in lands beyond without boasting in another's area — immediate context of the assigned measure.
Romans 15:20 describes Paul's policy of not building on another's foundation—directly parallel to his claim here of not boasting in others' labors.
Romans 15:18 shows Paul boasting only in what Christ accomplished through him, directly matching the principle of not boasting beyond God's assigned measure.
Matthew 25:15 shows God distributing talents according to ability—a parallel to Paul's God-given measure of ministry sphere.
Romans 12:6 teaches using gifts according to the proportion of faith—similar to Paul's principle of operating within God's assigned measure.
1 Corinthians 12:11 emphasizes the Spirit distributing gifts as He wills—echoing the divine allocation of Paul's apostolic measure.
Ephesians 4:7 speaks of grace given to each 'according to the measure of Christ's gift'—a parallel concept to Paul's assigned rule.
1 Peter 4:10 calls believers stewards of God's grace, echoing Paul's theme of serving within God-assigned limits. Both emphasize responsible use of God's gifts.