Berean Study Bible (BSB) - Romans 15:20 >

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.

Textus Receptus (TR) - Romans 15:20 >

οὕτω δὲ φιλοτιμούμενον εὐαγγελίζεσθαι, οὐχ ὅπου ὠνομάσθη Χριστός, ἵνα μὴ ἐπ᾿ ἀλλότριον θεμέλιον οἰκοδομῶ·