In the beginning was the Word, and the Word was with God, and the Word was fully God. The Word was with God in the beginning. All things were created by him, and apart from him not one thing was created that has been created. In him was life, and the life was the light of mankind. And the light shines on in the darkness, but the darkness has not mastered it.
A man came, sent from God, whose name was John. He came as a witness to testify about the light, so that everyone might believe through him. He himself was not the light, but he came to testify about the light. The true light, who gives light to everyone, was coming into the world. He was in the world, and the world was created by him, but the world did not recognize him. He came to what was his own, but his own people did not receive him. But to all who have received him – those who believe in his name – he has given the right to become God’s children
The program to draw the tree is 30 lines of Clojure