Aquinas’s Fifth Way: The Argument from Design Explained

St. Thomas Aquinas, in his monumental work Summa Theologica, presents five ways (Quinquae Viae) to demonstrate the existence of God. The fifth way, Quinta Via, is known as the Argument from Design (ex gubernatione rerum). It is a teleological argument that observes order and purpose in the universe as evidence for the existence of an […]

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Aquinas’s Fourth Way: How Goodness, Truth, and Being Point to God

St. Thomas Aquinas’s Quarta Via (Fourth Way) forms part of his famous Quinque Viae (Five Ways) found in his Summa Theologiæ, which collectively provide arguments for the existence of God. The Fourth Way, often summarised as, “If things are more and less good, there must be a best, and this something is God,” offers an

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Aquinas’ First Two Ways: The Case for God’s Existence

St. Thomas Aquinas’ First Way (from Change) and Second Way (from Efficient Causes) are foundational arguments in his Five Ways for proving the existence of God. These arguments reveal Aquinas’ deep metaphysical insight into the nature of existence, causation, and change. While closely related, they address distinct aspects of reality. Understanding these arguments also requires

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