en-3 This user has advanced knowledge of English.
el-N Αυτός ο χρήστης έχει ως μητρική του γλώσσα τα Ελληνικά.
ru-N Русскийродной язык этого участника.
Improved new CVU logo copy (I dont like it much).png This user is a member of the
Counter-Vandalism Unit.
GNU IceCat This user contributes using
GNU IceCat.
8bit-dynamiclist (reversed).gif This user enjoys computer programming.
PD-icon.svg This user is against DRM.
IP Address This user supports
mandatory registration.
Document-print.svg This user believes in the value of print versions of Wikibooks.
Sample 09-F9 protest art, Free Speech Flag by John Marcotte.svg


Flag of Esperanto.svg

Perfection is finally attained not when there is no longer anything to add, but when there is no longer anything to take away

Antoine de Saint Exupéry

Doing something complex for fun, whatever useful or not, is hacking

Richard Stallman

Why are numbers beautiful? It's like asking why is Beethoven's Ninth Symphony beautiful. If you don't see why, someone can't tell you. I know numbers are beautiful. If they aren't beautiful, nothing is

Paul Erdős