Matthew 12:30

Anyone who is not with me is against me, and anyone who does not join me in gathering, scatters.

Luke 9:50

Jesus said to him, "Do not try to stop him, for the man who is not against you is for you."

Revelation 2:20-23

But I hold it against you that you tolerate that Jezebel of a woman who claims to be inspired and who is misleading my slaves and teaching them to practice immorality and to eat meat that has been sacrificed to idols.

Treasury of Scripture Knowledge

Summary

Then he wrote a letter the second time to them, saying, If ye be mine, and if ye will hearken unto my voice, take ye the heads of the men your master's sons, and come to me to Jezreel by to morrow this time. Now the king's sons, being seventy persons, were with the great men of the city, which brought them up.

If ye be mine

Your master's sons

Bible References

If ye be mine

Matthew 12:30
Anyone who is not with me is against me, and anyone who does not join me in gathering, scatters.
Luke 9:50
Jesus said to him, "Do not try to stop him, for the man who is not against you is for you."

Your master's sons

Revelation 2:20
But I hold it against you that you tolerate that Jezebel of a woman who claims to be inspired and who is misleading my slaves and teaching them to practice immorality and to eat meat that has been sacrificed to idols.