Translation of Tangens

I like writting you messages although most of it is really pointless. I mean it is very good for my English studies, but except that I could not understand why you would be interested in reading it.
I do not mean to claim that they ought forget their own history, but I assert that they should forgive, not to the culprits who made the rage (that would not be possible), but the next innocent generation.
I boarded the AA flight to Cancun, and got there around two o'clock. It was my first time in Mexico. On the same night I had a flight booked to Havana, but I did not know whether I should take it.