[hhm]

The simplest Hello World in Wolfram Language is just:

"Hello World"

or even:

Hello World

which are both quines. The only reason you need to know about Style and GeoGraphics is for making a prettier, but still small, Hello World example.

[cpach]

Sure, but to print ASCII text on the screen one could use any language. What were discussing here is why one might want to choose WL instead of other languages.