1. Eternity past
Before time, energy, space, matter, anything created there was the everlasting God.

2. John 1:1-4 In the beginning was the Word, and the Word was with God, and the Word was God.
2 The same was in the beginning with God.
3 All things were made by him; and without him was not any thing made that was made.
4 In him was life; and the life was the light of men
Colossians 1:15-18 Who is the image of the invisible God, the firstborn of every creature:
16 For by him were all things created, that are in heaven, and that are in earth, visible and invisible, whether they be thrones, or dominions, or principalities, or powers: all things were created by him, and for him:
17 And he is before all things, and by him all things consist.
18 And he is the head of the body, the church: who is the beginning, the firstborn from the dead; that in all things he might have the preeminence.
Romans 11:33-36 O the depth of the riches both of the wisdom and knowledge of God! how unsearchable are his judgments, and his ways past finding out!
34 For who hath known the mind of the Lord? or who hath been his counsellor?
35 Or who hath first given to him, and it shall be recompensed unto him again?
36 For of him, and through him, and to him, are all things: to whom be glory for ever. Amen.

3. Ps 90:2
Before the mountains were brought forth, or ever thou hadst formed the earth and the world, even from everlasting to everlasting, thou art God.
Isaiah 57:15 For thus saith the high and lofty One that inhabiteth eternity, whose name is Holy; I dwell in the high and holy place, with him also that is of a contrite and humble spirit, to revive the spirit of the humble, and to revive the heart of the contrite ones.
1 Timothy 1:17 Now unto the King eternal, immortal, invisible, the only wise God, be honour and glory for ever and ever. Amen.
Micah 5:2 But thou, Bethlehem Ephratah, though thou be little among the thousands of Judah, yet out of thee shall he come forth unto me that is to be ruler in Israel; whose goings forth have been from of old, from everlasting.

4. Deuteronomy 33:27 The eternal God is thy refuge, and underneath are the everlasting arms: and he shall thrust out the enemy from before thee; and shall say, Destroy them.
Isaiah 40:28 Hast thou not known? hast thou not heard, that the everlasting God, the LORD, the Creator of the ends of the earth, fainteth not, neither is weary? there is no searching of his understanding.

5. One Eternal God in 3 persons (Blessed Trinity)

6. Father, Son, and Holy Spirit (One God in 3 persons) (Eternal Trinity)
Genesis 1:26
And God said, Let us make man in our image, after our
likeness:
Genesis 11:7
Go to, let us go down, and there confound their language,
that they may not understand one another's speech.
Psalm 2:12
Kiss the Son, lest he be angry, and ye perish from the way,
when his wrath is kindled but a little. Blessed are all they that put their trust in him
Luke 3:22 And the Holy Ghost descended in a bodily shape like a dove upon him, and a voice came from heaven, which said, Thou art my beloved Son; in thee I am well pleased.

7. Matthew 28:19
Go ye therefore, and teach all nations,baptizing them in the name of the Father, and of the Son, and of the Holy Ghost:
John 14:26
But the Comforter, which is the Holy Ghost, whom the
Father will send in my name, he shall teach you all things,