ETERNAL

The Trinity of God is eternal with no beginning and no ending:

Lord, Thou hast been our dwelling place in all generations. Before the mountains were brought forth, or ever Thou hadst formed the earth and the world, even from everlasting to everlasting, Thou art God. (Psalms 90:1-2)

And Abraham planted a grove in Beersheba, and called there on the name of the Lord, the everlasting God. (Genesis 21:33)

The eternal nature of God is best illustrated by a circle. The circle has no visible starting point or ending point, yet it exists:

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