381. What is justice?Justice consists in the firm and constant will to give to others their due. Justice toward God is called "the virtue of religion."
Further reading: CCC 1807, 1836382. What is fortitude?Fortitude assures firmness in difficulties and constancy in the pursuit of the good. It reaches even to the ability of possibly sacrificing one's own life for a just cause.
Further reading: CCC 1808, 1837