Answer:
This only turns over once you have traveled very far. What is it?
I don't have eyes, but once I did see. Once I had thoughts, but now I'm white and empty.
I count time, but have no end. Tick tick, but I am not a clock. What am I?
White bird, featherless, flying out of paradise. Flying over sea and land. Dying in my hand.
It cannot be seen, it weighs nothing, but when put into a barrel, it makes it lighter.
When is it bad luck to see a black cat?