Life is a sketch for nothing

milan kundera says in the unbearable lightness of being, "He (the protagonist) remained annoyed with himself until he realized that not knowing what he wanted was actually quite natural.
We can never know what to want, because, living only one life, we can neither compare it with our previous lives nor perfect it in our lives to come....
There is no menas of testing which decision is better, because there is no basis for comparison. We live evertyhing as it comes, without warning, like an actor going on cold..."