The title of this blog says it all. It is a deep truth of fundamental importance in every profession . I have always tried hard to convince students of this fact. Explaining things clearly and correctly, whether in written or in spoken form, is hard . It takes a lot of time and experience. Most importantly, some people may have more innate talent. Others may have fewer. However, the first step is to convince oneself of the importance of this fact. Otherwise, the battle is lost before it has begun. I have come to believe that many students have a problem in this respect, as they do not realize how important it is to be clear and correct in our own language. They either believe that technical skills are all that is needed, or that they will magically become perfectly understandable to everyone at some unspecified point in the future. This is definitely not the case. Consequently, they will encounter many unexpected and challenging obstacles in their professional careers. Writing...