Genesis 13:7-8And there was a strife between the herdmen of Abram's cattle and the herdmen of Lot's cattle: and the Canaanite and the Perizzite dwelled then in the land. And Abram said unto Lot, Let there be no strife, I pray thee, between me and thee, and between my herdmen and thy herdmen; for we be brethren.
Genesis 37:4And when his brethren saw that their father loved him more than all his brethren, they hated him, and could not speak peaceably unto him.
Psalms 127:1Except the LORD build the house, they labour in vain that build it: except the LORD keep the city, the watchman waketh but in vain.
James 3:16For where envying and strife is, there is confusion and every evil work.