Answer:
I don't think or eat or slumber. Or move around or fear thunder. Just like you I look the same but I can't harm you or be your bane.
At first, I am nothing. Add something to negate. Add again to oppose. Add again to find the time to draw. Add once more to find nobody at all.
What can run but canβt walk?
Something wholly unreal, yet seems real to I. Think my friend, tell me where does it lie?
I am round as a bowl, deep as a tub, but all the world's water couldn't fill me up.
I have two eyes in the front and a lot of eyes on my tail