Treasury of Scripture Knowledge

Summary

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

Bible References

General references

1 Corinthians 12:13
For we were all immersed by means of the one Holy Spirit into one body [i.e., the church], whether [we were] Jews or Greeks [i.e., Gentiles], whether slaves or free people, and were all given the one [and the same] Holy Spirit to drink. [Note: This probably refers to the indwelling of the Holy Spirit, given to all immersed believers. See John 7:37-39; Acts 2:38].
John 3:6
Whoever is born from human parents is a human being; and whoever is born from the Holy Spirit is a spiritual being.
John 17:21
[I pray] that all of them may be one, just as you, Father, are [one] in [fellowship with] me, and I [am one] in [fellowship with] you, so that they also may be [one] in [fellowship with] us in order that the world may [see it and] believe that you sent me.
Ephesians 4:3
Eagerly try to maintain the unity produced by the Holy Spirit by being bound together in peace.
Ephesians 5:30
because we are parts of His [spiritual] body.
Philippians 2:5
You should think about things the way Christ Jesus did.