Translation of detector

Think always positively. There will be very hard times where even the ones who are supposed to be the closest will say things that will disappoint you the most. Listen to them but with caution.
Unfortunately, it is a natural and eternal phenomenon of human beings. Whereever people have been, it appeared too. Please let me define racism in my next email to you and please share also your thoughts.
I rarely heard someone speaking so bad about his nation, but again, it wasn't my business. We closed the lights at midnight and hoped for a few hours of sleep. The train shaked and threw us around in our beds.