Answer:
I'm white, I'm round, but not always around. Sometimes you see me, sometimes you don't.
Flat as a leaf, round as a ring. Has two eyes, can't see a thing.
Who is it that rows quickly with four oars, but never comes out from under his own roof?
I can run but not walk. Wherever I go, thought follows close behind.
My first is a body of water. My second is me. My third came before. My fourth before all three. My fifth sounds like my first. My sixth is in a lake. Put all six together to make an animal that will keep you awake.
When is it bad luck to see a black cat?