Grit is the disposition to pursue very long-term goals with passion and perseverance. And I want to emphasize the stamina quality of grit. Grit is sticking with things over the long term and then working very hard at it.

Grit is living life like it’s a marathon, not a sprint.

Grit and the Secret of Success – fascinating look at the work of pioneering psychologist Angela Duckworth, who studies the one personality trait more predictive of success than any other. (via explore-blog)