Genesis 2:24
For this reason, a man shall leave his father and his mother, and be joined to his wife; and they shall become one flesh.
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And so, it began! God made the woman and brought her to, made her one with, Adam and the 'church' was born! Of course, it wasn't called church—and probably should not be called that today either—what it was and still is, is what God called 'family' just as He continues to do today!
 
As it is written, the Holy Spirit, the Spirit of truth, bears witness with our spirit that we are the children, the family of God. {Rom.8:16} He does not, will not, bear witness that we are Catholic, Baptist, Episcopalian, Lutheran, or any other of the hundreds of names that church people want to be known by! On the day of Pentecost, the saints who were gathered and praying did not stop and take time to decide a name for their group, they proclaimed the name of Jesus—the only name that has been given by which men can be saved. {Acts 4:12}
 
Getting baptized in or joining any one of those man-made organizations does not create a relationship with God! Jesus was quite clear about that when, while He was preaching to the crowds, He was told that His mother and brothers were seeking to speak with Him. "But Jesus answered the one who was telling Him and said, 'Who is My mother and who are My brothers?'' And stretching out His hand toward His disciples, He said, 'Behold My mother and My brothers! For whoever does the will of My Father who is in heaven, he is My brother and sister and mother.” (Matthew 12:48-50)
 
The family of God that we commonly call the 'church', organizations rather than living organisms, is clearly defined by Jesus as those who hear and obey the Word of God. That family grows and becomes viral when we live our lives according to the Word, proclaiming the excellencies of God who called us out of darkness and into His marvelous light, {1Pt.2:9} and then train up our children in the way they should go just as we are instructed. {Pro.22:6}

“For those whom He foreknew, He also predestined to become conformed to the image of His Son, so that He would be the firstborn among many brethren;” (Romans 8:29)
 
TEST EVERYTHING BY THE WORD OF GOD