Answer:
I don't have eyes, but once I did see. Once I had thoughts, but now I'm white and empty.
What goes through a door but never goes in. And never comes out?
I am the hole in the night, the ever watchful eye. I return in a cycle, to enlighten the sky.
My first is second in lineอพ I send shivers up your spineอพ not quite shining bright I glitter in the light.
You use a knife to slice my head. And weep beside me when I am dead.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?