1 Corinthians 1:10
Now I beseech you, brethren, by the name of our Lord Jesus Christ, that ye all speak the same thing, and that there be no divisions among you; but that ye be perfectly joined together in the same mind and in the same judgment.
1 Corinthians 6:16
What? know ye not that he which is joined to an harlot is one body? for two, saith he, shall be one flesh.