teaming up

What do we do with this statement by Paul to the followers of Jesus in Corinth?

2 Corinthians 6 

14 Don’t team up with those who are unbelievers. 

How can righteousness be a partner with wickedness? 

How can light live with darkness? 

15 What harmony can there be between Christ and the devil? 

How can a believer be a partner with an unbeliever? 

16 And what union can there be between God’s temple and idols? 

For we are the temple of the living God. As God said:

“I will live in them
    and walk among them.
I will be their God,
    and they will be my people.
17 Therefore, come out from among unbelievers,
    and separate yourselves from them, says the Lord.
Don’t touch their filthy things,
    and I will welcome you.
18 And I will be your Father,
    and you will be my sons and daughters,
    says the Lord Almighty.”