For we are members of his body, of his flesh, and of his bones.
1 John 2:5
But whoso keepeth his word, in him verily is the love of God perfected: hereby know we that we are in him.
1 John 4:13
Hereby know we that we dwell in him, and he in us, because he hath given us of his Spirit.
1 Corinthians 6:15
Know ye not that your bodies are the members of Christ? shall I then take the members of Christ, and make [them] the members of an harlot? God forbid.
2 Corinthians 13:5
Examine yourselves, whether ye be in the faith; prove your own selves. Know ye not your own selves, how that Jesus Christ is in you, except ye be reprobates?