Translation of nitrogen in German

A little latter we came back to our home and Leonard offered me to take me around the city with his motorbike. I could not refuse although I am a little scared by these vehicles, as they are dangerous.
Most are able to overcome their fears and to overcome their ignorance, if they want to. The subject that i am writing about is also an important factor in history since history consists of conflicts.
Luckily for him, his wife stood by him and explained that he was clumsy and that would happen to him all the time. Anyway, it none of our business. We all had dinner afterwards and went to sleep.