Answer:
What has no hands but might knock on your door, and if it does you better open up?
What is it that no man ever saw, which never was, but always will be?
In the sun it likes to play; In the rain it goes away; Walk or run it always follows; In the mud it always wallows.
Round and round I go never stopping in a continuous flow. I hang out with numbers each and every day and nothing ever gets on my way. What am I?
I question what lies above, and I’m shared with those you love. At my sound your hands will shake, and oft heard soon after wake. A card not found in a deck.
If it’s information you seek, come and see me. If it’s pairs of letters you need, I have consecutively three. What am I?