Answer:
A man shaves several times a day, yet he still has a beard. Who is this man?
I am an instrument that you can hear but cannot see or touch. What am I?
You use a knife to slice my head but you weep beside me when I am dead
I pass before the sun but make no shadow. What am I?
Never ahead, ever behind, yet flying swiftly past, for a child, I last forever, for adults, I'm gone too fast.
I flow from the Homerβs mouth when he sees doughnuts.