english: I am of course quoting from a famous essay by Leonard Read, the economist in the 1950s, called "I, Pencil" in which he wrote about how a pencil came to be made, and how nobody knows even how to make a pencil, because the people who assemble it don't know how to mine graphite, and they don't know how to fell trees and that kind of thing.
non_english: Samozrejme, citujem zo slávnej eseje Leonarda Reada, ekonóma 50. rokov, známej ako "Ja, ceruzka", v ktorej píše o tom, ako sa ceruzka vyrába a ako nikto nevie, ako ju vlastne vyrobiť, pretože tí, ktorí ju skladajú, nevedia ťažiť grafit. A nevedia ani ťažiť drevo a podobné veci.