Mark 3:25
If a house is divided against itself, that house will not be able to stand.
Genesis 13:7-8
So there were quarrels between Abram's herdsmen and Lot's herdsmen. (Now the Canaanites and the Perizzites were living in the land at that time.)
Genesis 37:4
When Joseph's brothers saw that their father loved him more than any of them, they hated Joseph and were not able to speak to him kindly.
Psalm 133:1
A song of ascents, by David. Look! How good and how pleasant it is when brothers live together!
Galatians 5:15
However, if you continually bite and devour one another, beware that you are not consumed by one another.
James 3:16
For where there is jealousy and selfishness, there is disorder and every evil practice.