To 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 SeligmanDoing a kindness produces the single most reliable momentary increase in well-being of any exercise we have tested.
Martin SeligmanSuccess requires persistence, the ability to not give up in the face of failure. I believe that optimistic explanatory style is the key to persistence.
Martin SeligmanHabits of pessimism lead to depression, wither achievement, and undermine physical health. The good news is that pessimism can be unlearned, and that with its removal depression, underachievement, and poor health can be alleviated.
Martin Seligman