Answer:
Without a bridle, or a saddle, across a thing I ride a-straddle. And those I ride, by help of me, though almost blind, are made to see.
We are all around, yet to us you are half blind. Sunlight makes us invisible, and difficult to find
Turns us on our backs, and open up our stomachs. You will be the wisest of men though at start a lummox.
Always old, sometimes new. Never sad, sometimes blue. Never empty, sometimes full. Never pushes, always pulls.
What letter comes next: O T T F F S S ?
When is it bad luck to see a black cat?