Romans 15:25 (KJV)

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

But as it is written, To whom he was not spoken of, they shall see: and they that have not heard shall understand.

For which cause also I have been much hindered from coming to you.

But now having no more place in these parts, and having a great desire these many years to come unto you;

Whensoever I take my journey into Spain, I will come to you: for I trust to see you in my journey, and to be brought on my way thitherward by you, if first I be somewhat filled with your company.

For it hath pleased them of Macedonia and Achaia to make a certain contribution for the poor saints which are at Jerusalem.

It hath pleased them verily; and their debtors they are. For if the Gentiles have been made partakers of their spiritual things, their duty is also to minister unto them in carnal things.

When therefore I have performed this, and have sealed to them this fruit, I will come by you into Spain.

And I am sure that, when I come unto you, I shall come in the fulness of the blessing of the gospel of Christ.

Now I beseech you, brethren, for the Lord Jesus Christ's sake, and for the love of the Spirit, that ye strive together with me in your prayers to God for me;