importance of the present life and life after Death

Is it that this life shapes the next so first one is harder and more important because it is a life full of test and trials. I would like an indepth view please, so any relevant quote and Hadith would be useful.

Islamic beliefs about death and beyond:

Is it that we all will be judged then go to either heaven or hell? I would like an indepth view please, so any relevant quote and Hadith would be useful.


JZK