Genesis 13:7-8

13:7 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.)

13:8 Abram said to Lot, “Let there be no quarreling between me and you, and between my herdsmen and your herdsmen, for we are close relatives.

Genesis 37:4

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.

Psalms 133:1

Psalm 133

A song of ascents, by David.

133:1 Look! How good and how pleasant it is

when brothers live together!

Galatians 5:15

5:15 However, if you continually bite and devour one another, beware that you are not consumed by one another.

James 3:16

3:16 For where there is jealousy and selfishness, there is disorder and every evil practice.