For just as each of us has one body with many members, and these members do not all have the same function, so in Christ we, though many, form one body, and each member belongs to all the others.
Romans 12:4-5

For where two or three gather in my name, there am I with them.
Matthew 18:20

Consequently, you are no longer foreigners and strangers, but fellow citizens with God’s people and also members of his household, built on the foundation of the apostles and prophets, with Christ Jesus himself as the chief cornerstone.
Ephesians 2:19-20

If anyone destroys God’s temple, God will destroy that person; for God’s temple is sacred, and you together are that temple.
1 Corinthians 3:17