Formal writing is that form of writing which is used for the business, legal, academic or professional purpose. On the other hand, informal writing is one which is used for personal or casual purpose. Formal writing must use a professional tone, whereas a personal and emotional tone can be found in informal writing.
People that do not know their history are doomed to repeat it, this si why it´s so important for Wiesel that we all keep in our memory the fatal events of our past.
