We believe that things can be shaped to our liking, but we are totally wrong. The justification is very simple, can you mold a stone? Of course, but it will break if you do not do it carefully, and for that it takes time. However, it will never become perfect, it will always keep a small imperfection. Something similar happens with people, we can adapt them but we will not know if they can live in the right way. We can not change from one moment to another, but gradually.