Answer:
What’s full of holes but still holds water?
What hangs in the sky by day but at night goes away?
What always comes into the house through the keyhole?
If it is absolute, it will corrupt absolutely.
I have eighty-eight keys but cannot open a single door? What am I?
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.