Good Riddles

Question: A thousand wheels, but move I do not.
Call me what I am, call me a lot.

What am I?

Question: I cannot be seen, cannot be felt,
Cannot be heard, cannot be smelt.
I lie behind stars and under hills,
And empty holes I fill.
I come first and follow after,
End life, kill laughter.

What am I?

Question: A man hangs his hat and walks 500 yards with his eyes closed. He then turns around and shoots his hat with his pistol with his eyes still shut.

How did he do this?

Question: All things I devour: Birds, beasts, trees, flowers.
I gnaw iron, bite steel.
I grind hard stones to meal.

What am I?

Question: Tall as a tree, dressed in white, my bridal veil is shiny bright Up all night, never sleeping: if i rest, many are weeping. Upon the shores since the days of old, my silent message what am i?