Answer:
I look at you, you look at me, I raise my right, you raise your left.
It is greater than God and more evil than the devil. The poor have it, the rich need it, and if you eat it you'll die.
What's as small as a mouse but guards a house like a lion?
To unravel me you need a simple key, no key that was made by locksmith's hand. But a key that only I will understand.
Walk on the living, they don't even mumble. Walk on the dead, they mutter and grumble.
What is the middle of water but is not an island?