Lex Rex: The Law and the King"A man commanding unjustly and ruling tyrannically has in that no power from God." When Lex, Rex was written, the Reformation in England and Scotland was in crisis. The English Civil War had just begun after Charles I tried to impose popish rituals on the church and asserted his divine right as king to overrule parliament. Against these grandiose claims the Scottish pastor Samuel Rutherford wrote a book and changed western political philosophy forever