John 3:21
3:21 But the one who practices the truth comes to the light, so that it may be plainly evident that his deeds have been done in God.
John 5:35
5:35 He was a lamp that was burning and shining, and you wanted to rejoice greatly for a short time in his light.
John 12:46
12:46 I have come as a light into the world, so that everyone who believes in me should not remain in darkness.