Genesis 13:7, 8
And there was discord between the herdsmen of Abram and the herdsmen of Lot. At that time the Canaanites and the Perizzites were also living in the land. . . .

Genesis 37:4
When Joseph's brothers saw that their father loved him more than any of them, they hated him and could not speak a kind word to him.

Psalm 133:1
Behold, how good and how pleasant it is when brothers live in harmony!

Galatians 5:15
But if you keep on biting and devouring each other, watch out, or you will be consumed by each other.

James 3:16
For where jealousy and selfish ambition exist, there will be disorder and every evil practice.