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.
He has married many women, but has never been married. Who is he?
When does Christmas come before Thanksgiving?
Who makes it, has no need of it. Who buys it, has no use for it. Who uses it can neither see nor feel it. What is it?
Many have heard it, but nobody has ever seen it. It will not speak until spoken to. What is it?
What is so fragile that saying its name breaks it?