The theology of the Cosmic Christ comes from verses such as the following:
John 1 v 1-5
The Word Became Flesh
1 In the beginning was the Word, and the Word was with God, and the Word was God. 2 He was in the beginning with God. 3 All things came into being through him, and without him not one thing came into being. What has come into being 4 in him was life, and the life was the light of all people. 5 The light shines in the darkness, and the darkness did not overcome it.
Colossians 1 v 15-20
The Supremacy of Christ
15 He is the image of the invisible God, the firstborn of all creation; 16 for in him all things in heaven and on earth were created, things visible and invisible, whether thrones or dominions or rulers or powers—all things have been created through him and for him. 17 He himself is before all things, and in him all things hold together. 18 He is the head of the body, the church; he is the beginning, the firstborn from the dead, so that he might come to have first place in everything. 19 For in him all the fullness of God was pleased to dwell, 20 and through him God was pleased to reconcile to himself all things, whether on earth or in heaven, by making peace through the blood of his cross.
Hebrews 1:1-4
God Has Spoken by His Son
1 Long ago God spoke to our ancestors in many and various ways by the prophets, 2 but in these last days he has spoken to us by a Son, whom he appointed heir of all things, through whom he also created the worlds. 3 He is the reflection of God’s glory and the exact imprint of God’s very being, and he sustains all things by his powerful word. When he had made purification for sins, he sat down at the right hand of the Majesty on high, 4 having become as much superior to angels as the name he has inherited is more excellent than theirs.
Scriptures taken from the NRSV
John 1 v 1-5
The Word Became Flesh
1 In the beginning was the Word, and the Word was with God, and the Word was God. 2 He was in the beginning with God. 3 All things came into being through him, and without him not one thing came into being. What has come into being 4 in him was life, and the life was the light of all people. 5 The light shines in the darkness, and the darkness did not overcome it.
Colossians 1 v 15-20
The Supremacy of Christ
15 He is the image of the invisible God, the firstborn of all creation; 16 for in him all things in heaven and on earth were created, things visible and invisible, whether thrones or dominions or rulers or powers—all things have been created through him and for him. 17 He himself is before all things, and in him all things hold together. 18 He is the head of the body, the church; he is the beginning, the firstborn from the dead, so that he might come to have first place in everything. 19 For in him all the fullness of God was pleased to dwell, 20 and through him God was pleased to reconcile to himself all things, whether on earth or in heaven, by making peace through the blood of his cross.
Hebrews 1:1-4
God Has Spoken by His Son
1 Long ago God spoke to our ancestors in many and various ways by the prophets, 2 but in these last days he has spoken to us by a Son, whom he appointed heir of all things, through whom he also created the worlds. 3 He is the reflection of God’s glory and the exact imprint of God’s very being, and he sustains all things by his powerful word. When he had made purification for sins, he sat down at the right hand of the Majesty on high, 4 having become as much superior to angels as the name he has inherited is more excellent than theirs.
Scriptures taken from the NRSV