We live everything as it comes, without warning, like an...

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 right word, because a sketch is an outline of something, the groundwork for a picture, whereas the sketch that is our life is a sketch of nothing, an outline with no picture.