Answer:
Good memory, skin like the sea. A great beast I am, yet vermin frightens me. What am I?
I eat I live.I breathe I live. I drink I die.
I begin your sentences.
They come out at night without being called. They are lost in the day without being stolen. What are they?
I plow and plow, but never sow. What am I?
What is always coming but never arrives?