The Trinity is one of the most profound doctrines in Christianity, emphasizing that God exists as three distinct persons: the Father, the Son, and the Holy Spirit. This concept is rooted in various scriptures throughout the Bible. For instance, Genesis 1:26 highlights a plural reference to God: "Let us make man in our image, after our likeness," reflecting the multi-personal nature of God within the creation narrative. In discussions surrounding the Trinity, it is essential to differentiate between the orthodox understanding and several heretical interpretations that emerged throughout Christian history. Modalism, for example, suggests that the Father, Son, and Holy Spirit are not distinct persons but merely different modes of one God. In contrast, the orthodox view posits that while they are one in essence, each person of the Trinity plays a unique role in the Godhead. The Council of Nicea in 325 AD addressed significant theological controversies, particularly concerning the Arian heresy which denied the full divinity of the Son. The Nicene Creed that emerged from this council serves as a foundational statement of faith, affirming the Trinitarian belief that the Son is "true God from true God." The early church fathers, including Tertullian, who first used the term "Trinity" in the 2nd century, articulated these ideas long before the formal definitions were established at the councils. They emphasized that while the Father, Son, and Holy Spirit are distinct in personhood, they are unified in purpose and essence, ultimately revealing the complexity and depth of the Christian understanding of God.