Genesis 29:33-34

29:33 She became pregnant again and had another son. She said, “Because the Lord heard that I was unloved, he gave me this one too.” So she named him Simeon.

29:34 She became pregnant again and had another son. She said, “Now this time my husband will show me affection, because I have given birth to three sons for him.” That is why he was named Levi.

Genesis 49:5

49:5 Simeon and Levi are brothers,

weapons of violence are their knives!

Genesis 49:7

49:7 Cursed be their anger, for it was fierce,

and their fury, for it was cruel.

I will divide them in Jacob,

and scatter them in Israel!

Numbers 31:7

31:7 They fought against the Midianites, as the Lord commanded Moses, and they killed every male.

Numbers 31:17

31:17 Now therefore kill every boy, and kill every woman who has had sexual intercourse with a man.

Proverbs 4:16

4:16 For they cannot sleep unless they cause harm;

they are robbed of sleep until they make someone stumble.

Proverbs 6:34-35

6:34 for jealousy kindles a husband’s rage,

and he will not show mercy when he takes revenge.

6:35 He will not consider any compensation;

he will not be willing, even if you multiply the compensation.