Answer:
What has a single eye but cannot see?
Mountains will crumble and temples will fall. And no man can survive its endless call.
In Paris but not in France, the thinnest of its siblings.
Gets rid of bad ones, short and tall. Tightens when used, one size fits all.
It cannot be seen, cannot be felt, Cannot be heard, cannot be smelt. It lies behind stars and under hills And empty holes it fills. It comes first and follows after, Ends life, kills laughter.
When is it bad luck to see a black cat?