Matthew 12:30
"He who is not with me is against me; and he who is not gathering with me, scatters.
Mark 9:40
He who is not against us is for us.
Luke 11:23
"He who is not for me is against me, and he who is not gathering with me is scattering.
Luke 9:50
But Jesus said, "Forbid him not, for he who is not against you is for you."
Matthew 6:24
"No slave can serve two masters, for either he will hate the one and love the other, or he will pay heed to the one and despise the other. You cannot be the slaves both of God and of gold.
John 11:52
and not in behalf of the nation alone, but in order that he might gather into one the widely scattered children of God.
2 Corinthians 6:15-16
What concord has Christ with Belial? What portion has a believer with an unbeliever?
1 John 2:19
They came forth from us, but they did not belong to us. If they had belonged to us they would certainly have remained with us, but they went out that they might be manifest that they all are not of us.
Revelation 3:15-16
I know your works, that you are neither hot nor cold.