How does this razor work?

Not shaving you too close? I try to please ...

Burney was famous for a night, you see.

They thought his piece was wonderful, such command

Of language, depth of thought beyond his years.

Next morning with his ears and cheeks still burning,

Flushed like a god, as Keats says, Burney stood

Behind the counter in the grocery store

Beginning then to earn the means to take

A course in Science—when a customer