english: Peter Drucker was a professor of philosophy before becoming involved in business, and this is what Peter Drucker says: "Planning is actually incompatible with an entrepreneurial society and economy."
non_english: Piter Draker je bio profesor filozofije koji se uključio u poslovanje, i evo šta Piter Draker kaže: "Planiranje je zapravo nekompatibilno sa preduzetničkim društvom i ekonomijom."