There is no means of testing which decision is better, because
there is no basis for comparison. We live everything as it comes, without
warning, like an actor going on cold. And what can life be worth if the
first rehearsal for life is life itself? That is why life is always a
sketch. No, "sketch" is not quite the word, because a sketch is an outline
of something, the groundwork for a picture, whereas the sketch that is our
life is a sketch for nothing, an outline with no picture.

kundera, the unbearable lightness of being