On the relationship side, if you teach people to respond actively and constructively when someone they care about has a victory, it increases love and friendship and decreases the probability of depression.
Martin SeligmanOptimism is invaluable for the meaningful life. With a firm belief in a positive future, you can throw yourself into the service of that which is larger than you are.
Martin SeligmanI believe that traditional wisdom is incomplete. A composer can have all the talent of Mozart and a passionate desire to succeed, but if he believes he cannot compose music, he will come to nothing. He will not try hard enough. He will give up too soon when the elusive right melody takes too long to materialize.
Martin SeligmanTo be a virtuous person is to display, by acts of will, all or at least most of the six ubiquitous virtues: wisdom, courage, humanity, justice, temperance, and transcendence.
Martin Seligman