Translation of Rennpferd

In addition I wanted to ask you whether you could quickly send me the language file that you created with your colleagues at Harvard. The entire language package needs to be reviewed and published.
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?
Sorry for bothering you with so many questions. You are going to be my first online language course. The more I trust you and your website, the more I will use it and recommend it...No problem...