Romans 15 20
In fact I was keen to spread the good news in places that hadn't heard the name of Christ, so that I wouldn't be building on what others have done.
Compare with other 3 random translations
NIV Romans 15:20It has always been my ambition to preach the gospel where Christ was not known, so that I would not be building on someone else’s foundation.
GNV Romans 15:20Yea, so I enforced my selfe to preach the Gospel, not where Christ was named, lest I should haue built on another mans foundation.
AMP Romans 15:20Thus my ambition has been to preach the Gospel, not where Christ's name has already been known, lest I build on another man's foundation;