An Astronaut (n.) is a man chosen to travel in outer space because he can be trusted to keep his feet on the ground.
An Astronaut (n.) qualifies for outer space travel without the aid of a clergyman.
An Astronaut (n.) spends most of his time on the earth preparing for the moon.
An Astronaut (n.) finds a place in the sun by reaching for the moon.
An Astronaut (n.) looks out at a maximum of space from a spaceship that has a minimum of space.
An Astronaut (n.) is the man most likely to go far.
An Astronaut (n.) is the only man who can see the shape of the world as it really is.
An Astronaut (n.) is the only man who is hailed as a hero when he's down and out.
An Astronaut (n.) is the only man who runs around in circles- and gets somewhere.