Translation of Schleifpapier

It seems a little bit like a pot in which you want to be happy and rich and enjoy your luck not caring about others. For example, the population is diminishing (or it was so during the last decade).
But we need to asked ourselves why we actually are built in such a way that we so easily dislike others and build stereotypes. What leads to such behavior even in well educated individuals?
In the evening we saw a Dutch couple which we have met in El Calafate (in the Perito Moreno tour and who were with us on the airplane to the Peninsula). We looked for our hotel and it was OK.