Answer:
Man's most important invention.
If you are to keep it, you must first give it to me. What is it?
What can you hold in your left hand but not in your right hand?
They come to witness the night without being called, a sailor's guide and a poet's tears. They are lost to the sight each day without the hand of a thief.
What is full of holes but still holds water?
Often cooked as fillet, this meat comes from an animal that swims underwater.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?