Answer:
What is that which, though black itself, enlightens the world without burning?
Take off my skin, I won't cry, but you will.
When liquid splashes me, none seeps through. When I am moved a lot, liquid I spew. When I am hit, color I change. And color, I come in quite a range. What I cover is very complex, and I am very easy to flex.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?
They have not flesh, nor feathers, nor scales, nor bone. Yet they have fingers and thumbs of their own.
Iām grown from darkness but shine with a pale light. Very round I am and always a lady's delight.