In my native language they say:
A L' E' INUTIL INSEGNA' AL MUS, SI PIART TIMP E IN PLUI SI INFASTIDIS LA BESTIE!!
(translated) There is no gain in teaching the donkey, you waste your time and annoy the beast
I don't need it for all the countries but only for Germany, Austria, Switzerland, Slovenia, Croatia, Serbia, Italy and Greece. Feel free to leave the rest of the map blank. Use any flags you find the easiest to deal with. Thanks