1 Corinthians 6:17

15 Do you not know that your bodies are members of Christ? Shall I then take the members of Christ and unite them with a prostitute? Never!

16 Or don’t you know that he who unites himself with a prostitute is one with her in body? For it is said, “The two will become one flesh.”

But he who unites himself with the Lord is one with Him in spirit.

18 Flee from sexual immorality. Every other sin a man can commit is outside his body, but he who sins sexually sins against his own body.

19 Do you not know that your body is a temple of the Holy Spirit who is in you, whom you have received from God? You are not your own;

Do read the surrounding verses too, because the context often says more than a single verse.

Compare

BSB
But he who unites himself with the Lord is one with Him in spirit.
KJV
But he that is joined unto the Lord is one spirit.
WEB
But he who is joined to the Lord is one spirit.
ASV
But he that is joined unto the Lord is one spirit.
DARBY
But he that [is] joined to the Lord is one Spirit.
BLB
But the one being joined to the Lord is one spirit.
ÅB
Men den som holder seg til Herren, er én ånd med ham.
OTB
Men den som forener seg med Herren er én ånd med ham.
B1930
Men den som holder sig til Herren, er én ånd med ham.

Study notes (Tyndale)

Original text and word study

Cross references