Answer:
What can be measured but not seen?
Long legs, crooked thighs, little head, and no eyes.
All about the house, with his lady he dances, yet he always works, and never romances.
It is greater than God and more evil than the devil. The poor have it, the rich need it, and if you eat it you'll die.
What flies around all day but never goes anywhere?
What is always coming but never arrives?