In this way I have aspired to preach the gospel where Christ was not known, so that I would not be building on someone else's foundation.

Romans 1:15
That is why I am so eager to preach the gospel also to you who are in Rome.

Romans 10:15
And how can they preach unless they are sent? As it is written: "How beautiful are the feet of those who bring good news!"

Romans 15:16
to be a minister of Christ Jesus to the Gentiles in the priestly service of the gospel of God, so that the Gentiles might become an offering acceptable to God, sanctified by the Holy Spirit.

1 Corinthians 3:10
By the grace God has given me, I laid a foundation as an expert builder, and someone else is building on it. But each one must be careful how he builds.

2 Corinthians 10:15
Neither do we boast beyond our limits in the labors of others. But we hope that as your faith increases, our area of influence among you will greatly increase as well,

2 Corinthians 10:16
so that we can preach the gospel in the regions beyond you. Then we will not be boasting in the work already done in another man's territory.

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