Proverbs 17:14

17:14 Starting a quarrel is like letting out water;

stop it before strife breaks out!

Proverbs 18:19

18:19 A relative offended is harder to reach than a strong city,

and disputes are like the barred gates of a fortified citadel.

Ecclesiastes 10:12

Words and Works of Wise Men and Fools

10:12 The words of a wise person win him favor,

but the words of a fool are self-destructive.

Matthew 12:25

12:25 Now when Jesus realized what they were thinking, he said to them, “Every kingdom divided against itself is destroyed, and no town or house divided against itself will stand.

Galatians 5:15

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