The defining characteristic of pessimists is that they tend to believe that bad events will last a long time, will undermine everything they do, and are their own fault. The optimists, who are confronted with the same hard knocks of this world, think about misfortune in the opposite way. They tend to believe that defeat is just a temporary setback or a challenge, that its causes are just confined to this one case.
Martin SeligmanIn your own life, you should take particular care with endings, for their color will forever tinge your memory of the entire relationship and your willingness to reenter it.
Martin SeligmanPsychology is much bigger than just medicine, or fixing unhealthy things. Its about education, work, marriage - its even about sports. What I want to do is see psychologists working to help people build strengths in all these domains.
Martin SeligmanChanging the destructive things you say to yourself when you experience the setbacks that life deals all of us is the central skill of optimism.
Martin Seligman