....one man cannot practice many arts with success

...the tools which would teach men their own use would be beyond price

Plato, The Republic,Benjamin Jowett translation, 1894, (page 374?)

with the internet and its open sources anyone can do anything (not alone but with everyone)

the writer, digital diary,15 August 2001

In the presence of these statements the imaginary rock becomes transparent and world of shadows becomes real, and ideal.