John 1:4-5

1:4 In him was life, and the life was the light of mankind. 1:5 And the light shines on in the darkness, but the darkness has not mastered it.

John 1:7-9

1:7 He came as a witness to testify about the light, so that everyone might believe through him. 1:8 He himself was not the light, but he came to testify about the light. 1:9 The true light, who gives light to everyone, was coming into the world.