Answer:
What is that which, though black itself, enlightens the world without burning?
Inside a great blue castle lives a shy young maid. She blushes in the morning and comes not out at night.
You can see nothing else, When you look in my face, I will look you in the eye, And I will never lie.
I'm a bacteria that causes typhoid What's my name ?
What wears a coat in the winter and pants in the summer?
Brings the sky a lot closer.