Answer:
Autumn leaves and bad bowlers wreak havoc on this
What comes once in a minute, twice in a moment, but never in a thousand years?
Who is it that rows quickly with four oars, but never comes out from under his own roof?
Each morning I appear to lie at your feet, all day I follow no matter how fast you run. Yet I nearly perish in the midday sun.
I am the heart that does not beat. If cut, I bleed without blood. I can fly, but have no wings. I can float, but have no fins. I can sing, but have no mouth.
What is always coming but never arrives?