Translation of persevere in Spanish

Our day came to an end and Samu brought us back to the hotel. We agreed to take a ride with him one more time and that was on the way to the airport. We took his cellphone number just in case.
We stayed in this place for quite a while as it was the most spectacular place we have visited so far. It was unbelievable how much thought was put into construction of these magnificent sites.
I just wrote an extremely long blog item but it took so long that I got logged out. I'm too lazy to write again or to write anything at all, so that I will postpone my blog entry to next week.