Answer:
I don't have eyes, but once I did see. Once I had thoughts, but now I'm white and empty.
What has a big mouth, yet never speaks?
I look at you, you look at me, I raise my right, you raise your left.
Large as a mountain, small as a pea, Endlessly swimming in a water-less sea.
Feed me and I live, give me drink and I die.
What never gets any wetter no matter how hard it rains?