The Cardinal Virtues

 The practical always guides us as we work to achieve holiness. The path to holiness includes practicing the Cardinal Virtues, or habits. The four cardinal virtues are: prudence, justice, fortitude, and temperance.

An explanation from the Catholic Catechism (shortened):

1806 Prudence is the virtue that disposes practical reason to discern our true good in every circumstance and to choose the right means of achieving it; "the prudent man looks where he is going."⁶⁵ "Keep sane and sober for your prayers."

1807 Justice is the moral virtue that consists in the constant and firm will to give their due to God and neighbor. Justice toward God is called the "virtue of religion." Justice toward men disposes one to respect the rights of each and to establish in human relationships the harmony that promotes equity with regard to persons and to the common good.

1808 Fortitude is the moral virtue that ensures firmness in difficulties and constancy in the pursuit of the good. It strengthens the resolve to resist temptations and to overcome obstacles in the moral life. The virtue of fortitude enables one to conquer fear, even fear of death, and to face trials and persecutions. It disposes one even to renounce and sacrifice his life in defense of a just cause.

1809Temperance is the moral virtue that moderates the attraction of pleasures and provides balance in the use of created goods. It ensures the will's mastery over instincts and keeps desires within the limits of what is honorable. The temperate person directs the sensitive appetites toward what is good and maintains a healthy discretion.

When we practice these habits we learn to obey God's law. They are sort of like brakes on our desires and passions which can run wild if we let them.

These tools are used to avoid sin and live a moral life.