Of all the virtues we can learn, no trait is more useful, more essential for survival, and more likely to improve the quality of life than the ability to transform adversity into an enjoyable challenge.

Ehirsh. Public domain · Wikimedia Commons
Mihaly Csikszentmihalyi
Hungarian-American psychologist who named and studied the state of flow. Claremont Graduate University professor; author of Flow: The Psychology of Optimal Experience (1990).
2 quotes
Happiness is not something that happens. It is not the result of good fortune or random chance.