Romans 15:20 YLT

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 --

²¹  but according as it hath been written, 'To whom it was not told concerning him, they shall see; and they who have not heard, shall understand.'

²²  Wherefore, also, I was hindered many times from coming unto you,