1 Corinthians 6:17

But the one who joins himself to the Lord is one spirit with Him.

John 17:21-23

that they may all be one; even as You, Father, are in Me and I in You, that they also may be in Us, so that the world may believe that You sent Me.

John 3:6

That which is born of the flesh is flesh, and that which is born of the Spirit is spirit.

1 Corinthians 12:13

For by one Spirit we were all baptized into one body, whether Jews or Greeks, whether slaves or free, and we were all made to drink of one Spirit.

I have been crucified with Christ; and it is no longer I who live, but Christ lives in me; and the life which I now live in the flesh I live by faith in the Son of God, who loved me and gave Himself up for me.

Ephesians 4:3-4

being diligent to preserve the unity of the Spirit in the bond of peace.

Ephesians 5:30

because we are members of His body.

Philippians 2:5

Have this attitude in yourselves which was also in Christ Jesus,

Treasury of Scripture Knowledge

Summary

1 Corinthians 6:17

But he that is joined unto the Lord is one spirit.

General references

Bible References