JOHN 15.5
I AM the vine, you the branches; he who is remaining in Me, and I in him, this one bears much fruit, because apart from Me you are not able to do anything;
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2 CORINTHIANS 6.14-18
Do not become yoked with others—unbelievers, for what partaking [is there] to righteousness and lawlessness? And what fellowship to light with darkness? And what concord to Christ with Belial? Or what part to a believer with an unbeliever? And what agreement to the temple of God with idols? For you are a temple of the living God, according as God said, “I will dwell in them, and will walk among [them], and I will be their God, and they will be My people, for this reason, come forth out of the midst of them, and be separated, says the LORD, and do not touch an unclean thing, and I will receive you, and I will be for a Father to you, and you will be sons and daughters to Me, says the LORD Almighty.”
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GALATIANS 4.19
my little children, of whom I travail in birth again until Christ may be formed in you,