The Best of All Possible Worlds

David writes in everyday usage. A common saying is that an optimist calls a glass half full, while a pessimist calls it half empty. The terms can also refer to mood such as cheerfulness or depression. But again, moods do not necessitate any particular stants about the future. No one seriously advocates either of these two as a universal policy,. but there is some tions, and their arguments are common and often creep into people's planning.