Translation of selfishness in Spanish

So you have taken a German course in the Ghoete Institute. Well, I certainly learned something with you, and your German is already a lot better than last time. I think we really did it.
It certainly is one of the reasons that a student from abroad is not as good in English as people who were born in America. This is an obstacle for all students and a challenge for the educational system.
These are very good images, please send me more... I think Oslo is a very calm city. Every day it is getting more international and culturally richer. I work as a general secretary in a law firm.