Romans 15:20

And I have been anxious so to preach where Christ was not named, that I might not build on another's foundation;

2 Corinthians 10:13-16

But we will not boast of things not measured, but according to the measure of the rule which God has given us, to come even to you.

1 Corinthians 3:9-15

For we are God's co-laborers; you are God's field, God's building.

Ephesians 2:20-22

being built on the foundation of the apostles and prophets, Jesus Christ himself being the chief corner-stone,

Treasury of Scripture Knowledge

Summary

Yea, so have I strived to preach the gospel, not where Christ was named, lest I should build upon another man's foundation:

Bible References

So

2 Corinthians 10:14
For we do not stretch ourselves out too far, as if we had not come to you, for we came even to you with the gospel of Christ;

Build

1 Corinthians 3:9
For we are God's co-laborers; you are God's field, God's building.
2 Corinthians 10:13
But we will not boast of things not measured, but according to the measure of the rule which God has given us, to come even to you.
Ephesians 2:20
being built on the foundation of the apostles and prophets, Jesus Christ himself being the chief corner-stone,