Mark 3:24
If a kingdom is divided against itself, that kingdom cannot remain.
Judges 9:23-57
then God sent an evil spirit between Abimelech and the men of Shechem, and the men of Shechem dealt treacherously with Abimelech
Judges 12:1-6
And the men of Ephraim gathered themselves together towards the Aquilon and said unto Jephthah, Why didst thou go over to fight against the sons of Ammon and didst not call us to go with thee? We will burn thy house upon thee with fire.
2 Samuel 20:1
And a man of Belial happened to be there, whose name was Sheba, the son of Bichri, a man of Jemini, and he blew the shofar, saying, We have no part in David, neither have we inheritance in the son of Jesse. Every man to his tents, O Israel.
2 Samuel 20:6
And David said to Abishai, Now Sheba, the son of Bichri, shall do us more harm than Absalom; take thou thy lord's slaves and pursue after him lest he find fenced cities and escape us.
1 Kings 12:16-20
So when all Israel saw that the king did not hearken unto them, the people answered the king, saying, What portion have we in David? There is no inheritance in the son of Jesse. To your tents, O Israel! Now see to thine own house, David. So Israel departed unto their tents.
Isaiah 9:20-21
And he shall snatch on the right hand and be hungry, and he shall eat on the left hand, and they shall not be satisfied; they shall eat each man the flesh of his own arm:
Isaiah 19:2-3
And I will set the Egyptians against the Egyptians, and they shall fight each one against his brother, and each one against his neighbour; city against city and kingdom against kingdom.
Ezekiel 37:22
and I will make them one nation in the land in the mountains of Israel; and one king shall be king to them all; and they shall no longer be two nations, neither shall they be divided into two kingdoms any more at all:
Zechariah 11:14
Then I cut asunder my other staff, even Bands, that I might break the brotherhood between Judah and Israel.
John 17:21
that they all may be one; as thou, Father, art in me, and I in thee, that they also may be one in us, that the world may believe that thou hast sent me.
1 Corinthians 1:10-13
Now I beseech you, brethren, by the name of our Lord Jesus Christ, that ye all speak the same thing and that there be no divisions among you, but that ye be perfect, joined together in the same understanding and in the same perception.
Ephesians 4:3-6
being diligent to guard the unity of the Spirit in the bond of peace.