Summary:
How can we know what is good, what is evil, and how do we use our free will to choose the good (virtue) and avoid evil (sin or vice). The voice of Jesus Christ, the Good Shepherd, is the voice of truth, and true is absolute and those who hear His voice follow Him.

Key Words / Themes:
Good, relativism, Good Shepherd, desire, know, love, serve, senses, fear, evil, Lucifer, bad, right to life, virtue, vice, free will, sin

Formulas of Catholic Doctrine:
Theological Virtues (Charity)
Cardinal Virtues (Prudence, Justice, Temperance, Fortitude)
Sacraments (Eucharist)
Seven Deadly Sins (Vice – all seven)
Beatitudes (Hunger and Thirst for Righteousness)
Fruits of the Holy Spirit (Joy, Peace)