"This subsistence, or manner of being of God is his one essence so far as it has personal properties"

William Ames, a popular theologian of the early 17th century, was known for his contributions to Reformed faith and Puritan believed. In the quote, "This subsistence, or way of being of God is his one essence up until now as it has personal properties", Ames touches upon intricate theological principles concerning the nature of God and the doctrine of the Trinity.

To analyze this quote, it is vital to simplify into its essential parts. The term "subsistence" in this context refers to a state of being, specifically one that pertains to God's nature. In Christian faith, especially in the doctrine of the Trinity, "subsistence" is frequently utilized to explain the individuals of the Godhead-- the Father, Son, and Holy Spirit. Each is a distinct 'subsistence,' yet they share one essence.

When Ames speaks of "manner of being", he indicates the method which God exists-- as a singular essence manifesting in three persons. This doctrine is challenging because it verifies both the unity and the distinctiveness within the Godhead, a core tenet of Trinitarian teaching.

The phrase "one essence" highlights the belief in the unity of God's nature. In spite of the three distinct individuals, they are not separate entities but rather one in essence. Therefore, God's essence is indivisible and consistent, going beyond human understanding of physical or separate entities.

"Personal properties" describe the distinct aspects or functions of everyone of the Trinity-- the Father as creator, the Son as redeemer, and the Holy Spirit as sanctifier. These are differentiating characteristics however do not divide their essence.

In summary, Ames encapsulates the mystery of the Trinity-- a single magnificent essence existing in three unique persons, each with personal properties, yet one in compound and being. This shows the complexity and depth of Christian theological thought, stressing both the complexity and the unity of God's nature.