Answer:
I have four legs but no tail. Usually I am heard only at night.
I am the yellow hem of the sea's blue skirt.
Large as a mountain, small as a pea, Endlessly swimming in a water-less sea.
What is it that was given to you, belongs only to you. And yet your friends use it more than you do?
There is someone, and there is always another, for without the other, there wouldn't be one
What is so fragile that saying its name breaks it?