A few quotes related to astronomy by Mark Twain:
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"Everyone is a moon, and has a dark side which he never shows to
anybody."


"I love to revel in philosophical matters - especially astronomy.
I study astronomy more than any other foolishness there is. 
I am a perfect slave to it. I am at it all the time. I have got more 
smoked glass than clothes. I am as familiar with the stars as the 
comets are. I know all the facts and figures and I have all the 
knowledge there is concerning them. I yelp astronomy like a sun-dog,
and paw the constellations like Ursa Major."
                          - Letter from Mark Twain, 
                            San Francisco Alta Calfornia, Aug. 1, 1869


"Spectrum analysis enabled the astronomer to tell when a star was
advancing head on, and when it was going the other way. This was
regarded as very precious. Why the astronomer wanted to know is not
stated; nor what he could sell out for, when he did know. 
An astronomer's notions about preciousness were loose. They were not
much regarded by practical men, and seldom excited a broker.
                          - from "The Secret History of Eddypus"