Do not touch what is unclean, And I will receive you. These verse are amongst the hardest in the Bible and they are there for a purpose. It is very easy to end up in relationships or alliances that are really counterproductive to our Christian faith. We are heading one way and they are heading another. Lets review these verse carefully.
Bad company corrupts good habits.
This is an easily observed commonplace fact. Many new Christians try to keep company with people who are sexually immoral or drunken or greedy or ambitious and the pressure from these friendships soon draws them away from their relationship with Christ and back into the world. Recognise bad company - and avoid it. Friendship with the world is enmity with God. There are three main enemies of God - and of Christians.