Simeon and Levi are brethren — Brethren in disposition, but unlike their father: they were passionate and revengeful, fierce and wilful; their swords, that should have been only weapons of defence, were (as the margin reads it) weapons of violence, to do wrong to others, not to save themselves from wrong.
Related Commentaries of Genesis 49:5
Genesis 49:5
5 Simeon and Levi are brethren; instrumentsa of cruelty are in their habitations.