Romans 15:18-20

Young's Literal Translation

¹⁸ for I will not dare to speak anything of the things that Christ did not work through me, to obedience of nations, by word and deed,

¹⁹ in power of signs and wonders, in power of the Spirit of God; so that I, from Jerusalem, and in a circle as far as Illyricum, have fully preached the good news of the Christ;

²⁰ and so counting it honour to proclaim good news, not where Christ was named -- that upon another's foundation I might not build --