Matthew 12:30

"He who is not with me is against me; and he who is not gathering with me, scatters.

Luke 9:50

But Jesus said, "Forbid him not, for he who is not against you is for you."

Revelation 2:20-23

But I have this against you, that you are tolerating that woman Jezebel, who calls herself a prophetess, and she is teaching and leading my slaves astray, leading them to practise immorality, and to eat food which 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
"He who is not with me is against me; and he who is not gathering with me, scatters.
Luke 9:50
But Jesus said, "Forbid him not, for he who is not against you is for you."

Your master's sons

Revelation 2:20
But I have this against you, that you are tolerating that woman Jezebel, who calls herself a prophetess, and she is teaching and leading my slaves astray, leading them to practise immorality, and to eat food which has been sacrificed to idols.