Translation of commonly in Spanish

After this strange stop we moved on to the city center where he left me. I was on my own now and started to explore the little streets of the old center. It was packed with international visitors.
That is why we sometimes misjudge different people with different faithes and creeds, despite the fact that we have only few ideas about their background and about their cultures. Thank you.
My wife and her started a nice conversation and the village girl did not believe that my wife was older than thirty years old. My wife considered herself as old, but the little girl explained her that she wasn't.