Pessimism, from the Latin pessimus (worst), is the decision to evaluate, percieve and view life in a generally negative light. Value judgments may vary dramatically between individuals, even when judgments of fact are undisputed. The most common example of this phenomenon is the "Is the glass half empty or half full?" situation. The degree in which situations like these are evaluated as something good or something bad can be described in terms of one's optimism or pessimism respectively. Through… (More on Pessimism)