Through philosophy, science, and Sacred Scripture, Fr. Robert Altier provides evidence for God’s existence.

Fr. Robert Altier defines all the attributes that make up the whole of God’s perfect existence, and how they can not be separated from Him.

Fr. Robert Altier explains Trinitarian theology, and how the statement “God is love” reveals the three persons of the trinity.

Fr. Robert Altier gives a thorough introduction into Trinitarian theology, and how it reveals

the mutual exchange of love between the Father, Son, and Holy Spirit.

Fr. Robert Altier reflects of God’s perfect nature, and why He created the world and humanity.

Fr. Robert Altier explains the origins of humanity’s creation as he discusses evolution, free will, and eternal souls.

Fr. Robert Altier discusses souls, as well as the origins of both angels and demons.

Fr. Robert Altier explains the fall of man, Original Sin, and temptation.

Fr. Robert Altier reveals how the Catholic Church's understanding of the effects of Original Sin ties into its understanding of

the Incarnation and the Divinity of Jesus Christ.

Fr. Robert Altier explains the Church's teaching regarding Christ's incarnation and how it reveals Him to be fully God and fully human.

Fr. Robert Altier provides an overview of the humanity of Jesus and its direct relation to the Incarnation and Redemption.

Fr. Robert Altier expounds upon the role of Jesus as Priest, Prophet and King.

Fr. Robert Altier explains three main reasons for Marian Devotion, and how she leads us to her son, Jesus Christ.

Despite Mary's innate holiness, Fr. Robert Altier explains why she still needed to be redeemed by Christ.

Fr. Robert Altier explains who Jesus's "brother and sisters" were and how it relates to Mary's vital role in salvation history.

Fr. Robert Altier expounds more on the graces that flow through Mary, and why she deserves veneration.

Fr. Robert Altier discusses the "study of the Church" and explains how Catholic ecclesiology differs from Protestant ecclesiology.

Fr. Robert Altier explains how Sacred Scripture defines the office of the Papacy.

Fr. Robert Altier defines the four conditions of infallibility and how it corresponds to the authority of the Church.

Fr. Robert Altier review the four marks of the Church as professed within the Nicene Creed: One, Holy, Catholic, and Apostolic.

Fr. Robert Altier explains Divine Revelation tells the fullness of truth through Christ, Sacred Scripture, and Sacred Tradition.

Fr. Robert Altier shows how the Catholic Church's authority guides it in providing an authentic translation of the Bible.

Fr. Robert Altier delves into the process the Church uses in determining the authors of Sacred Scripture and their divine inspiration.

Fr. Robert Altier continues his discussion on Sacred Scripture, focusing on how the Church determines which books are canonical and divinely inspired.

Fr. Robert Altier discusses the different forms of grace and the theology behind them.

Fr. Robert Altier continues his discussion on the different forms of grace and the theology behind them.

Fr. Robert Altier compares Protestant and Catholic views of grace, and why Catholics emphasize good works to be necessary for salvation.

Fr. Robert Altier discusses the spiritual process a person undergoes to receive God's sanctifying grace.