They know not how to do right. The Samaritans have lost all sense of justice, the foundation of social life (Jeremiah 4:22). LXX; οὐκ ἔγνις ἂ ἔσται ἐναντίον αὐτῆς, "She knew not what things shall be before her."
Store up violence; i.e. the fruits of violence and robbery, what they had wrung from the poor by oppression and rapine.